diff --git a/assistant/v2.ts b/assistant/v2.ts
index 38dd9ba5fb..3b5855804f 100644
--- a/assistant/v2.ts
+++ b/assistant/v2.ts
@@ -1,5 +1,5 @@
 /**
- * (C) Copyright IBM Corp. 2025.
+ * (C) Copyright IBM Corp. 2026.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -424,21 +424,9 @@ class AssistantV2 extends BaseService {
    * Delete an assistant.
    *
    * @param {Object} params - The parameters to send to the service.
-   * @param {string} params.assistantId - The assistant ID or the environment ID of the environment where the assistant
-   * is deployed.
-   *  Set the value for this ID depending on the type of request:
-   *
-   *  - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-   * deployed.
-   *
-   *   - For all other requests, specify the assistant ID of the assistant.
-   *
-   *  To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-   * settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-   *
-   *  **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-   *
-   *  To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+   * @param {string} params.assistantId - Unique identifier of the assistant. To get the **assistant ID** in the watsonx
+   * Assistant interface, open the **Assistant settings** page, and scroll to the **Assistant IDs and API details**
+   * section and click **View Details**.
    * @param {OutgoingHttpHeaders} [params.headers] - Custom request headers
    * @returns {Promise<AssistantV2.Response<AssistantV2.EmptyObject>>}
    */
@@ -501,21 +489,9 @@ class AssistantV2 extends BaseService {
    * [documentation](https://cloud.ibm.com/docs/assistant?topic=assistant-assistant-settings).).
    *
    * @param {Object} params - The parameters to send to the service.
-   * @param {string} params.assistantId - The assistant ID or the environment ID of the environment where the assistant
-   * is deployed.
-   *  Set the value for this ID depending on the type of request:
-   *
-   *  - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-   * deployed.
-   *
-   *   - For all other requests, specify the assistant ID of the assistant.
-   *
-   *  To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-   * settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-   *
-   *  **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-   *
-   *  To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+   * @param {string} params.assistantId - Unique identifier of the assistant. To get the **assistant ID** in the watsonx
+   * Assistant interface, open the **Assistant settings** page, and scroll to the **Assistant IDs and API details**
+   * section and click **View Details**.
    * @param {string} params.environmentId - Unique identifier of the environment. To find the environment ID in the
    * watsonx Assistant user interface, open the environment settings and click **API Details**. **Note:** Currently, the
    * API does not support creating environments.
@@ -585,21 +561,9 @@ class AssistantV2 extends BaseService {
    * the [documentation](https://cloud.ibm.com/docs/assistant?topic=assistant-assistant-settings)).
    *
    * @param {Object} params - The parameters to send to the service.
-   * @param {string} params.assistantId - The assistant ID or the environment ID of the environment where the assistant
-   * is deployed.
-   *  Set the value for this ID depending on the type of request:
-   *
-   *  - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-   * deployed.
-   *
-   *   - For all other requests, specify the assistant ID of the assistant.
-   *
-   *  To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-   * settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-   *
-   *  **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-   *
-   *  To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+   * @param {string} params.assistantId - Unique identifier of the assistant. To get the **assistant ID** in the watsonx
+   * Assistant interface, open the **Assistant settings** page, and scroll to the **Assistant IDs and API details**
+   * section and click **View Details**.
    * @param {string} params.environmentId - Unique identifier of the environment. To find the environment ID in the
    * watsonx Assistant user interface, open the environment settings and click **API Details**. **Note:** Currently, the
    * API does not support creating environments.
@@ -666,21 +630,9 @@ class AssistantV2 extends BaseService {
    * watsonx Assistant for the duration of the session.
    *
    * @param {Object} params - The parameters to send to the service.
-   * @param {string} params.assistantId - The assistant ID or the environment ID of the environment where the assistant
-   * is deployed.
-   *  Set the value for this ID depending on the type of request:
-   *
-   *  - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-   * deployed.
-   *
-   *   - For all other requests, specify the assistant ID of the assistant.
-   *
-   *  To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-   * settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-   *
-   *  **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-   *
-   *  To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+   * @param {string} params.assistantId - Unique identifier of the assistant. To get the **assistant ID** in the watsonx
+   * Assistant interface, open the **Assistant settings** page, and scroll to the **Assistant IDs and API details**
+   * section and click **View Details**.
    * @param {string} params.environmentId - Unique identifier of the environment. To find the environment ID in the
    * watsonx Assistant user interface, open the environment settings and click **API Details**. **Note:** Currently, the
    * API does not support creating environments.
@@ -766,21 +718,9 @@ class AssistantV2 extends BaseService {
    * your application.
    *
    * @param {Object} params - The parameters to send to the service.
-   * @param {string} params.assistantId - The assistant ID or the environment ID of the environment where the assistant
-   * is deployed.
-   *  Set the value for this ID depending on the type of request:
-   *
-   *  - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-   * deployed.
-   *
-   *   - For all other requests, specify the assistant ID of the assistant.
-   *
-   *  To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-   * settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-   *
-   *  **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-   *
-   *  To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+   * @param {string} params.assistantId - Unique identifier of the assistant. To get the **assistant ID** in the watsonx
+   * Assistant interface, open the **Assistant settings** page, and scroll to the **Assistant IDs and API details**
+   * section and click **View Details**.
    * @param {string} params.environmentId - Unique identifier of the environment. To find the environment ID in the
    * watsonx Assistant user interface, open the environment settings and click **API Details**. **Note:** Currently, the
    * API does not support creating environments.
@@ -867,21 +807,9 @@ class AssistantV2 extends BaseService {
    * stored by watsonx Assistant for the duration of the session.
    *
    * @param {Object} params - The parameters to send to the service.
-   * @param {string} params.assistantId - The assistant ID or the environment ID of the environment where the assistant
-   * is deployed.
-   *  Set the value for this ID depending on the type of request:
-   *
-   *  - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-   * deployed.
-   *
-   *   - For all other requests, specify the assistant ID of the assistant.
-   *
-   *  To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-   * settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-   *
-   *  **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-   *
-   *  To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+   * @param {string} params.assistantId - Unique identifier of the assistant. To get the **assistant ID** in the watsonx
+   * Assistant interface, open the **Assistant settings** page, and scroll to the **Assistant IDs and API details**
+   * section and click **View Details**.
    * @param {string} params.environmentId - Unique identifier of the environment. To find the environment ID in the
    * watsonx Assistant user interface, open the environment settings and click **API Details**. **Note:** Currently, the
    * API does not support creating environments.
@@ -968,21 +896,9 @@ class AssistantV2 extends BaseService {
    * your application.
    *
    * @param {Object} params - The parameters to send to the service.
-   * @param {string} params.assistantId - The assistant ID or the environment ID of the environment where the assistant
-   * is deployed.
-   *  Set the value for this ID depending on the type of request:
-   *
-   *  - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-   * deployed.
-   *
-   *   - For all other requests, specify the assistant ID of the assistant.
-   *
-   *  To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-   * settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-   *
-   *  **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-   *
-   *  To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+   * @param {string} params.assistantId - Unique identifier of the assistant. To get the **assistant ID** in the watsonx
+   * Assistant interface, open the **Assistant settings** page, and scroll to the **Assistant IDs and API details**
+   * section and click **View Details**.
    * @param {string} params.environmentId - Unique identifier of the environment. To find the environment ID in the
    * watsonx Assistant user interface, open the environment settings and click **API Details**. **Note:** Currently, the
    * API does not support creating environments.
@@ -1302,21 +1218,9 @@ class AssistantV2 extends BaseService {
    * List the environments associated with an assistant.
    *
    * @param {Object} params - The parameters to send to the service.
-   * @param {string} params.assistantId - The assistant ID or the environment ID of the environment where the assistant
-   * is deployed.
-   *  Set the value for this ID depending on the type of request:
-   *
-   *  - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-   * deployed.
-   *
-   *   - For all other requests, specify the assistant ID of the assistant.
-   *
-   *  To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-   * settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-   *
-   *  **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-   *
-   *  To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+   * @param {string} params.assistantId - Unique identifier of the assistant. To get the **assistant ID** in the watsonx
+   * Assistant interface, open the **Assistant settings** page, and scroll to the **Assistant IDs and API details**
+   * section and click **View Details**.
    * @param {number} [params.pageLimit] - The number of records to return in each page of results.
    * @param {boolean} [params.includeCount] - Whether to include information about the number of records that satisfy
    * the request, regardless of the page limit. If this parameter is `true`, the `pagination` object in the response
@@ -1388,21 +1292,9 @@ class AssistantV2 extends BaseService {
    * [Environments](https://cloud.ibm.com/docs/watson-assistant?topic=watson-assistant-publish-overview#environments).
    *
    * @param {Object} params - The parameters to send to the service.
-   * @param {string} params.assistantId - The assistant ID or the environment ID of the environment where the assistant
-   * is deployed.
-   *  Set the value for this ID depending on the type of request:
-   *
-   *  - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-   * deployed.
-   *
-   *   - For all other requests, specify the assistant ID of the assistant.
-   *
-   *  To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-   * settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-   *
-   *  **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-   *
-   *  To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+   * @param {string} params.assistantId - Unique identifier of the assistant. To get the **assistant ID** in the watsonx
+   * Assistant interface, open the **Assistant settings** page, and scroll to the **Assistant IDs and API details**
+   * section and click **View Details**.
    * @param {string} params.environmentId - Unique identifier of the environment. To find the environment ID in the
    * watsonx Assistant user interface, open the environment settings and click **API Details**. **Note:** Currently, the
    * API does not support creating environments.
@@ -1467,21 +1359,9 @@ class AssistantV2 extends BaseService {
    * [Environments](https://cloud.ibm.com/docs/watson-assistant?topic=watson-assistant-publish-overview#environments).
    *
    * @param {Object} params - The parameters to send to the service.
-   * @param {string} params.assistantId - The assistant ID or the environment ID of the environment where the assistant
-   * is deployed.
-   *  Set the value for this ID depending on the type of request:
-   *
-   *  - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-   * deployed.
-   *
-   *   - For all other requests, specify the assistant ID of the assistant.
-   *
-   *  To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-   * settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-   *
-   *  **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-   *
-   *  To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+   * @param {string} params.assistantId - Unique identifier of the assistant. To get the **assistant ID** in the watsonx
+   * Assistant interface, open the **Assistant settings** page, and scroll to the **Assistant IDs and API details**
+   * section and click **View Details**.
    * @param {string} params.environmentId - Unique identifier of the environment. To find the environment ID in the
    * watsonx Assistant user interface, open the environment settings and click **API Details**. **Note:** Currently, the
    * API does not support creating environments.
@@ -1563,21 +1443,9 @@ class AssistantV2 extends BaseService {
    * watsonx Assistant user interface, a release is called a *version*.).
    *
    * @param {Object} params - The parameters to send to the service.
-   * @param {string} params.assistantId - The assistant ID or the environment ID of the environment where the assistant
-   * is deployed.
-   *  Set the value for this ID depending on the type of request:
-   *
-   *  - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-   * deployed.
-   *
-   *   - For all other requests, specify the assistant ID of the assistant.
-   *
-   *  To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-   * settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-   *
-   *  **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-   *
-   *  To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+   * @param {string} params.assistantId - Unique identifier of the assistant. To get the **assistant ID** in the watsonx
+   * Assistant interface, open the **Assistant settings** page, and scroll to the **Assistant IDs and API details**
+   * section and click **View Details**.
    * @param {string} [params.description] - The description of the release.
    * @param {OutgoingHttpHeaders} [params.headers] - Custom request headers
    * @returns {Promise<AssistantV2.Response<AssistantV2.Release>>}
@@ -1642,21 +1510,9 @@ class AssistantV2 extends BaseService {
    * *version*.).
    *
    * @param {Object} params - The parameters to send to the service.
-   * @param {string} params.assistantId - The assistant ID or the environment ID of the environment where the assistant
-   * is deployed.
-   *  Set the value for this ID depending on the type of request:
-   *
-   *  - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-   * deployed.
-   *
-   *   - For all other requests, specify the assistant ID of the assistant.
-   *
-   *  To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-   * settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-   *
-   *  **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-   *
-   *  To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+   * @param {string} params.assistantId - Unique identifier of the assistant. To get the **assistant ID** in the watsonx
+   * Assistant interface, open the **Assistant settings** page, and scroll to the **Assistant IDs and API details**
+   * section and click **View Details**.
    * @param {number} [params.pageLimit] - The number of records to return in each page of results.
    * @param {boolean} [params.includeCount] - Whether to include information about the number of records that satisfy
    * the request, regardless of the page limit. If this parameter is `true`, the `pagination` object in the response
@@ -1731,21 +1587,9 @@ class AssistantV2 extends BaseService {
    * processing has completed, the request returns the release data.
    *
    * @param {Object} params - The parameters to send to the service.
-   * @param {string} params.assistantId - The assistant ID or the environment ID of the environment where the assistant
-   * is deployed.
-   *  Set the value for this ID depending on the type of request:
-   *
-   *  - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-   * deployed.
-   *
-   *   - For all other requests, specify the assistant ID of the assistant.
-   *
-   *  To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-   * settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-   *
-   *  **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-   *
-   *  To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+   * @param {string} params.assistantId - Unique identifier of the assistant. To get the **assistant ID** in the watsonx
+   * Assistant interface, open the **Assistant settings** page, and scroll to the **Assistant IDs and API details**
+   * section and click **View Details**.
    * @param {string} params.release - Unique identifier of the release.
    * @param {boolean} [params.includeAudit] - Whether to include the audit properties (`created` and `updated`
    * timestamps) in the response.
@@ -1807,21 +1651,9 @@ class AssistantV2 extends BaseService {
    * Delete a release. (In the watsonx Assistant user interface, a release is called a *version*.).
    *
    * @param {Object} params - The parameters to send to the service.
-   * @param {string} params.assistantId - The assistant ID or the environment ID of the environment where the assistant
-   * is deployed.
-   *  Set the value for this ID depending on the type of request:
-   *
-   *  - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-   * deployed.
-   *
-   *   - For all other requests, specify the assistant ID of the assistant.
-   *
-   *  To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-   * settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-   *
-   *  **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-   *
-   *  To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+   * @param {string} params.assistantId - Unique identifier of the assistant. To get the **assistant ID** in the watsonx
+   * Assistant interface, open the **Assistant settings** page, and scroll to the **Assistant IDs and API details**
+   * section and click **View Details**.
    * @param {string} params.release - Unique identifier of the release.
    * @param {OutgoingHttpHeaders} [params.headers] - Custom request headers
    * @returns {Promise<AssistantV2.Response<AssistantV2.EmptyObject>>}
@@ -1881,21 +1713,9 @@ class AssistantV2 extends BaseService {
    * the environment.
    *
    * @param {Object} params - The parameters to send to the service.
-   * @param {string} params.assistantId - The assistant ID or the environment ID of the environment where the assistant
-   * is deployed.
-   *  Set the value for this ID depending on the type of request:
-   *
-   *  - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-   * deployed.
-   *
-   *   - For all other requests, specify the assistant ID of the assistant.
-   *
-   *  To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-   * settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-   *
-   *  **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-   *
-   *  To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+   * @param {string} params.assistantId - Unique identifier of the assistant. To get the **assistant ID** in the watsonx
+   * Assistant interface, open the **Assistant settings** page, and scroll to the **Assistant IDs and API details**
+   * section and click **View Details**.
    * @param {string} params.release - Unique identifier of the release.
    * @param {string} params.environmentId - The environment ID of the environment where the release is to be deployed.
    * @param {boolean} [params.includeAudit] - Whether to include the audit properties (`created` and `updated`
@@ -1969,21 +1789,9 @@ class AssistantV2 extends BaseService {
    * of the release.
    *
    * @param {Object} params - The parameters to send to the service.
-   * @param {string} params.assistantId - The assistant ID or the environment ID of the environment where the assistant
-   * is deployed.
-   *  Set the value for this ID depending on the type of request:
-   *
-   *  - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-   * deployed.
-   *
-   *   - For all other requests, specify the assistant ID of the assistant.
-   *
-   *  To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-   * settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-   *
-   *  **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-   *
-   *  To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+   * @param {string} params.assistantId - Unique identifier of the assistant. To get the **assistant ID** in the watsonx
+   * Assistant interface, open the **Assistant settings** page, and scroll to the **Assistant IDs and API details**
+   * section and click **View Details**.
    * @param {string} params.release - Unique identifier of the release.
    * @param {boolean} [params.includeAudit] - Whether to include the audit properties (`created` and `updated`
    * timestamps) in the response.
@@ -2055,21 +1863,9 @@ class AssistantV2 extends BaseService {
    * update endpoints.</li></ol>.
    *
    * @param {Object} params - The parameters to send to the service.
-   * @param {string} params.assistantId - The assistant ID or the environment ID of the environment where the assistant
-   * is deployed.
-   *  Set the value for this ID depending on the type of request:
-   *
-   *  - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-   * deployed.
-   *
-   *   - For all other requests, specify the assistant ID of the assistant.
-   *
-   *  To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-   * settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-   *
-   *  **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-   *
-   *  To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+   * @param {string} params.assistantId - Unique identifier of the assistant. To get the **assistant ID** in the watsonx
+   * Assistant interface, open the **Assistant settings** page, and scroll to the **Assistant IDs and API details**
+   * section and click **View Details**.
    * @param {string} params.release - Unique identifier of the release.
    * @param {boolean} [params.includeAudit] - Whether to include the audit properties (`created` and `updated`
    * timestamps) in the response.
@@ -2141,21 +1937,9 @@ class AssistantV2 extends BaseService {
    * update endpoints.</li></ol>.
    *
    * @param {Object} params - The parameters to send to the service.
-   * @param {string} params.assistantId - The assistant ID or the environment ID of the environment where the assistant
-   * is deployed.
-   *  Set the value for this ID depending on the type of request:
-   *
-   *  - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-   * deployed.
-   *
-   *   - For all other requests, specify the assistant ID of the assistant.
-   *
-   *  To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-   * settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-   *
-   *  **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-   *
-   *  To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+   * @param {string} params.assistantId - Unique identifier of the assistant. To get the **assistant ID** in the watsonx
+   * Assistant interface, open the **Assistant settings** page, and scroll to the **Assistant IDs and API details**
+   * section and click **View Details**.
    * @param {string} params.release - Unique identifier of the release.
    * @param {boolean} [params.includeAudit] - Whether to include the audit properties (`created` and `updated`
    * timestamps) in the response.
@@ -2229,21 +2013,9 @@ class AssistantV2 extends BaseService {
    * import via the "Get release import Status" endpoint.
    *
    * @param {Object} params - The parameters to send to the service.
-   * @param {string} params.assistantId - The assistant ID or the environment ID of the environment where the assistant
-   * is deployed.
-   *  Set the value for this ID depending on the type of request:
-   *
-   *  - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-   * deployed.
-   *
-   *   - For all other requests, specify the assistant ID of the assistant.
-   *
-   *  To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-   * settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-   *
-   *  **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-   *
-   *  To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+   * @param {string} params.assistantId - Unique identifier of the assistant. To get the **assistant ID** in the watsonx
+   * Assistant interface, open the **Assistant settings** page, and scroll to the **Assistant IDs and API details**
+   * section and click **View Details**.
    * @param {NodeJS.ReadableStream | Buffer} params.body - Request body is an Octet-stream of the artifact Zip file that
    * is being imported.
    * @param {boolean} [params.includeAudit] - Whether to include the audit properties (`created` and `updated`
@@ -2309,21 +2081,9 @@ class AssistantV2 extends BaseService {
    * either succeeded or failed.
    *
    * @param {Object} params - The parameters to send to the service.
-   * @param {string} params.assistantId - The assistant ID or the environment ID of the environment where the assistant
-   * is deployed.
-   *  Set the value for this ID depending on the type of request:
-   *
-   *  - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-   * deployed.
-   *
-   *   - For all other requests, specify the assistant ID of the assistant.
-   *
-   *  To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-   * settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-   *
-   *  **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-   *
-   *  To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+   * @param {string} params.assistantId - Unique identifier of the assistant. To get the **assistant ID** in the watsonx
+   * Assistant interface, open the **Assistant settings** page, and scroll to the **Assistant IDs and API details**
+   * section and click **View Details**.
    * @param {boolean} [params.includeAudit] - Whether to include the audit properties (`created` and `updated`
    * timestamps) in the response.
    * @param {OutgoingHttpHeaders} [params.headers] - Custom request headers
@@ -2386,21 +2146,9 @@ class AssistantV2 extends BaseService {
    * Get information about a skill.
    *
    * @param {Object} params - The parameters to send to the service.
-   * @param {string} params.assistantId - The assistant ID or the environment ID of the environment where the assistant
-   * is deployed.
-   *  Set the value for this ID depending on the type of request:
-   *
-   *  - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-   * deployed.
-   *
-   *   - For all other requests, specify the assistant ID of the assistant.
-   *
-   *  To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-   * settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-   *
-   *  **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-   *
-   *  To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+   * @param {string} params.assistantId - Unique identifier of the assistant. To get the **assistant ID** in the watsonx
+   * Assistant interface, open the **Assistant settings** page, and scroll to the **Assistant IDs and API details**
+   * section and click **View Details**.
    * @param {string} params.skillId - Unique identifier of the skill. To find the action or dialog skill ID in the
    * watsonx Assistant user interface, open the skill settings and click **API Details**. To find the search skill ID,
    * use the Get environment API to retrieve the skill references for an environment and it will include the search
@@ -2465,21 +2213,9 @@ class AssistantV2 extends BaseService {
    * skill** method and checking the value of the **status** property.
    *
    * @param {Object} params - The parameters to send to the service.
-   * @param {string} params.assistantId - The assistant ID or the environment ID of the environment where the assistant
-   * is deployed.
-   *  Set the value for this ID depending on the type of request:
-   *
-   *  - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-   * deployed.
-   *
-   *   - For all other requests, specify the assistant ID of the assistant.
-   *
-   *  To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-   * settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-   *
-   *  **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-   *
-   *  To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+   * @param {string} params.assistantId - Unique identifier of the assistant. To get the **assistant ID** in the watsonx
+   * Assistant interface, open the **Assistant settings** page, and scroll to the **Assistant IDs and API details**
+   * section and click **View Details**.
    * @param {string} params.skillId - Unique identifier of the skill. To find the action or dialog skill ID in the
    * watsonx Assistant user interface, open the skill settings and click **API Details**. To find the search skill ID,
    * use the Get environment API to retrieve the skill references for an environment and it will include the search
@@ -2575,21 +2311,9 @@ class AssistantV2 extends BaseService {
    * apply.
    *
    * @param {Object} params - The parameters to send to the service.
-   * @param {string} params.assistantId - The assistant ID or the environment ID of the environment where the assistant
-   * is deployed.
-   *  Set the value for this ID depending on the type of request:
-   *
-   *  - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-   * deployed.
-   *
-   *   - For all other requests, specify the assistant ID of the assistant.
-   *
-   *  To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-   * settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-   *
-   *  **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-   *
-   *  To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+   * @param {string} params.assistantId - Unique identifier of the assistant. To get the **assistant ID** in the watsonx
+   * Assistant interface, open the **Assistant settings** page, and scroll to the **Assistant IDs and API details**
+   * section and click **View Details**.
    * @param {boolean} [params.includeAudit] - Whether to include the audit properties (`created` and `updated`
    * timestamps) in the response.
    * @param {OutgoingHttpHeaders} [params.headers] - Custom request headers
@@ -2657,21 +2381,9 @@ class AssistantV2 extends BaseService {
    * **Get status of skills import** method.
    *
    * @param {Object} params - The parameters to send to the service.
-   * @param {string} params.assistantId - The assistant ID or the environment ID of the environment where the assistant
-   * is deployed.
-   *  Set the value for this ID depending on the type of request:
-   *
-   *  - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-   * deployed.
-   *
-   *   - For all other requests, specify the assistant ID of the assistant.
-   *
-   *  To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-   * settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-   *
-   *  **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-   *
-   *  To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+   * @param {string} params.assistantId - Unique identifier of the assistant. To get the **assistant ID** in the watsonx
+   * Assistant interface, open the **Assistant settings** page, and scroll to the **Assistant IDs and API details**
+   * section and click **View Details**.
    * @param {SkillImport[]} params.assistantSkills - An array of objects describing the skills for the assistant.
    * Included in responses only if **status**=`Available`.
    * @param {AssistantState} params.assistantState - Status information about the skills for the assistant. Included in
@@ -2742,21 +2454,9 @@ class AssistantV2 extends BaseService {
    * Retrieve the status of an asynchronous import operation previously initiated by using the **Import skills** method.
    *
    * @param {Object} params - The parameters to send to the service.
-   * @param {string} params.assistantId - The assistant ID or the environment ID of the environment where the assistant
-   * is deployed.
-   *  Set the value for this ID depending on the type of request:
-   *
-   *  - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-   * deployed.
-   *
-   *   - For all other requests, specify the assistant ID of the assistant.
-   *
-   *  To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-   * settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-   *
-   *  **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-   *
-   *  To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+   * @param {string} params.assistantId - Unique identifier of the assistant. To get the **assistant ID** in the watsonx
+   * Assistant interface, open the **Assistant settings** page, and scroll to the **Assistant IDs and API details**
+   * section and click **View Details**.
    * @param {OutgoingHttpHeaders} [params.headers] - Custom request headers
    * @returns {Promise<AssistantV2.Response<AssistantV2.SkillsAsyncRequestStatus>>}
    */
@@ -2935,40 +2635,18 @@ namespace AssistantV2 {
 
   /** Parameters for the `deleteAssistant` operation. */
   export interface DeleteAssistantParams extends DefaultParams {
-    /** The assistant ID or the environment ID of the environment where the assistant is deployed.
-     *   Set the value for this ID depending on the type of request:
-     *
-     *   - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-     *  deployed.
-     *
-     *    - For all other requests, specify the assistant ID of the assistant.
-     *
-     *   To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-     *  settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-     *
-     *   **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-     *
-     *   To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+    /** Unique identifier of the assistant. To get the **assistant ID** in the watsonx Assistant interface, open the
+     *  **Assistant settings** page, and scroll to the **Assistant IDs and API details** section and click **View
+     *  Details**.
      */
     assistantId: string;
   }
 
   /** Parameters for the `createSession` operation. */
   export interface CreateSessionParams extends DefaultParams {
-    /** The assistant ID or the environment ID of the environment where the assistant is deployed.
-     *   Set the value for this ID depending on the type of request:
-     *
-     *   - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-     *  deployed.
-     *
-     *    - For all other requests, specify the assistant ID of the assistant.
-     *
-     *   To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-     *  settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-     *
-     *   **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-     *
-     *   To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+    /** Unique identifier of the assistant. To get the **assistant ID** in the watsonx Assistant interface, open the
+     *  **Assistant settings** page, and scroll to the **Assistant IDs and API details** section and click **View
+     *  Details**.
      */
     assistantId: string;
     /** Unique identifier of the environment. To find the environment ID in the watsonx Assistant user interface,
@@ -2984,20 +2662,9 @@ namespace AssistantV2 {
 
   /** Parameters for the `deleteSession` operation. */
   export interface DeleteSessionParams extends DefaultParams {
-    /** The assistant ID or the environment ID of the environment where the assistant is deployed.
-     *   Set the value for this ID depending on the type of request:
-     *
-     *   - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-     *  deployed.
-     *
-     *    - For all other requests, specify the assistant ID of the assistant.
-     *
-     *   To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-     *  settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-     *
-     *   **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-     *
-     *   To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+    /** Unique identifier of the assistant. To get the **assistant ID** in the watsonx Assistant interface, open the
+     *  **Assistant settings** page, and scroll to the **Assistant IDs and API details** section and click **View
+     *  Details**.
      */
     assistantId: string;
     /** Unique identifier of the environment. To find the environment ID in the watsonx Assistant user interface,
@@ -3011,20 +2678,9 @@ namespace AssistantV2 {
 
   /** Parameters for the `message` operation. */
   export interface MessageParams extends DefaultParams {
-    /** The assistant ID or the environment ID of the environment where the assistant is deployed.
-     *   Set the value for this ID depending on the type of request:
-     *
-     *   - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-     *  deployed.
-     *
-     *    - For all other requests, specify the assistant ID of the assistant.
-     *
-     *   To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-     *  settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-     *
-     *   **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-     *
-     *   To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+    /** Unique identifier of the assistant. To get the **assistant ID** in the watsonx Assistant interface, open the
+     *  **Assistant settings** page, and scroll to the **Assistant IDs and API details** section and click **View
+     *  Details**.
      */
     assistantId: string;
     /** Unique identifier of the environment. To find the environment ID in the watsonx Assistant user interface,
@@ -3056,20 +2712,9 @@ namespace AssistantV2 {
 
   /** Parameters for the `messageStateless` operation. */
   export interface MessageStatelessParams extends DefaultParams {
-    /** The assistant ID or the environment ID of the environment where the assistant is deployed.
-     *   Set the value for this ID depending on the type of request:
-     *
-     *   - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-     *  deployed.
-     *
-     *    - For all other requests, specify the assistant ID of the assistant.
-     *
-     *   To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-     *  settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-     *
-     *   **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-     *
-     *   To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+    /** Unique identifier of the assistant. To get the **assistant ID** in the watsonx Assistant interface, open the
+     *  **Assistant settings** page, and scroll to the **Assistant IDs and API details** section and click **View
+     *  Details**.
      */
     assistantId: string;
     /** Unique identifier of the environment. To find the environment ID in the watsonx Assistant user interface,
@@ -3100,20 +2745,9 @@ namespace AssistantV2 {
 
   /** Parameters for the `messageStream` operation. */
   export interface MessageStreamParams extends DefaultParams {
-    /** The assistant ID or the environment ID of the environment where the assistant is deployed.
-     *   Set the value for this ID depending on the type of request:
-     *
-     *   - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-     *  deployed.
-     *
-     *    - For all other requests, specify the assistant ID of the assistant.
-     *
-     *   To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-     *  settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-     *
-     *   **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-     *
-     *   To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+    /** Unique identifier of the assistant. To get the **assistant ID** in the watsonx Assistant interface, open the
+     *  **Assistant settings** page, and scroll to the **Assistant IDs and API details** section and click **View
+     *  Details**.
      */
     assistantId: string;
     /** Unique identifier of the environment. To find the environment ID in the watsonx Assistant user interface,
@@ -3145,20 +2779,9 @@ namespace AssistantV2 {
 
   /** Parameters for the `messageStreamStateless` operation. */
   export interface MessageStreamStatelessParams extends DefaultParams {
-    /** The assistant ID or the environment ID of the environment where the assistant is deployed.
-     *   Set the value for this ID depending on the type of request:
-     *
-     *   - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-     *  deployed.
-     *
-     *    - For all other requests, specify the assistant ID of the assistant.
-     *
-     *   To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-     *  settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-     *
-     *   **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-     *
-     *   To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+    /** Unique identifier of the assistant. To get the **assistant ID** in the watsonx Assistant interface, open the
+     *  **Assistant settings** page, and scroll to the **Assistant IDs and API details** section and click **View
+     *  Details**.
      */
     assistantId: string;
     /** Unique identifier of the environment. To find the environment ID in the watsonx Assistant user interface,
@@ -3241,20 +2864,9 @@ namespace AssistantV2 {
 
   /** Parameters for the `listEnvironments` operation. */
   export interface ListEnvironmentsParams extends DefaultParams {
-    /** The assistant ID or the environment ID of the environment where the assistant is deployed.
-     *   Set the value for this ID depending on the type of request:
-     *
-     *   - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-     *  deployed.
-     *
-     *    - For all other requests, specify the assistant ID of the assistant.
-     *
-     *   To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-     *  settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-     *
-     *   **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-     *
-     *   To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+    /** Unique identifier of the assistant. To get the **assistant ID** in the watsonx Assistant interface, open the
+     *  **Assistant settings** page, and scroll to the **Assistant IDs and API details** section and click **View
+     *  Details**.
      */
     assistantId: string;
     /** The number of records to return in each page of results. */
@@ -3284,20 +2896,9 @@ namespace AssistantV2 {
 
   /** Parameters for the `getEnvironment` operation. */
   export interface GetEnvironmentParams extends DefaultParams {
-    /** The assistant ID or the environment ID of the environment where the assistant is deployed.
-     *   Set the value for this ID depending on the type of request:
-     *
-     *   - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-     *  deployed.
-     *
-     *    - For all other requests, specify the assistant ID of the assistant.
-     *
-     *   To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-     *  settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-     *
-     *   **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-     *
-     *   To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+    /** Unique identifier of the assistant. To get the **assistant ID** in the watsonx Assistant interface, open the
+     *  **Assistant settings** page, and scroll to the **Assistant IDs and API details** section and click **View
+     *  Details**.
      */
     assistantId: string;
     /** Unique identifier of the environment. To find the environment ID in the watsonx Assistant user interface,
@@ -3311,20 +2912,9 @@ namespace AssistantV2 {
 
   /** Parameters for the `updateEnvironment` operation. */
   export interface UpdateEnvironmentParams extends DefaultParams {
-    /** The assistant ID or the environment ID of the environment where the assistant is deployed.
-     *   Set the value for this ID depending on the type of request:
-     *
-     *   - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-     *  deployed.
-     *
-     *    - For all other requests, specify the assistant ID of the assistant.
-     *
-     *   To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-     *  settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-     *
-     *   **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-     *
-     *   To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+    /** Unique identifier of the assistant. To get the **assistant ID** in the watsonx Assistant interface, open the
+     *  **Assistant settings** page, and scroll to the **Assistant IDs and API details** section and click **View
+     *  Details**.
      */
     assistantId: string;
     /** Unique identifier of the environment. To find the environment ID in the watsonx Assistant user interface,
@@ -3346,20 +2936,9 @@ namespace AssistantV2 {
 
   /** Parameters for the `createRelease` operation. */
   export interface CreateReleaseParams extends DefaultParams {
-    /** The assistant ID or the environment ID of the environment where the assistant is deployed.
-     *   Set the value for this ID depending on the type of request:
-     *
-     *   - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-     *  deployed.
-     *
-     *    - For all other requests, specify the assistant ID of the assistant.
-     *
-     *   To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-     *  settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-     *
-     *   **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-     *
-     *   To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+    /** Unique identifier of the assistant. To get the **assistant ID** in the watsonx Assistant interface, open the
+     *  **Assistant settings** page, and scroll to the **Assistant IDs and API details** section and click **View
+     *  Details**.
      */
     assistantId: string;
     /** The description of the release. */
@@ -3368,20 +2947,9 @@ namespace AssistantV2 {
 
   /** Parameters for the `listReleases` operation. */
   export interface ListReleasesParams extends DefaultParams {
-    /** The assistant ID or the environment ID of the environment where the assistant is deployed.
-     *   Set the value for this ID depending on the type of request:
-     *
-     *   - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-     *  deployed.
-     *
-     *    - For all other requests, specify the assistant ID of the assistant.
-     *
-     *   To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-     *  settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-     *
-     *   **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-     *
-     *   To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+    /** Unique identifier of the assistant. To get the **assistant ID** in the watsonx Assistant interface, open the
+     *  **Assistant settings** page, and scroll to the **Assistant IDs and API details** section and click **View
+     *  Details**.
      */
     assistantId: string;
     /** The number of records to return in each page of results. */
@@ -3411,20 +2979,9 @@ namespace AssistantV2 {
 
   /** Parameters for the `getRelease` operation. */
   export interface GetReleaseParams extends DefaultParams {
-    /** The assistant ID or the environment ID of the environment where the assistant is deployed.
-     *   Set the value for this ID depending on the type of request:
-     *
-     *   - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-     *  deployed.
-     *
-     *    - For all other requests, specify the assistant ID of the assistant.
-     *
-     *   To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-     *  settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-     *
-     *   **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-     *
-     *   To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+    /** Unique identifier of the assistant. To get the **assistant ID** in the watsonx Assistant interface, open the
+     *  **Assistant settings** page, and scroll to the **Assistant IDs and API details** section and click **View
+     *  Details**.
      */
     assistantId: string;
     /** Unique identifier of the release. */
@@ -3435,20 +2992,9 @@ namespace AssistantV2 {
 
   /** Parameters for the `deleteRelease` operation. */
   export interface DeleteReleaseParams extends DefaultParams {
-    /** The assistant ID or the environment ID of the environment where the assistant is deployed.
-     *   Set the value for this ID depending on the type of request:
-     *
-     *   - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-     *  deployed.
-     *
-     *    - For all other requests, specify the assistant ID of the assistant.
-     *
-     *   To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-     *  settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-     *
-     *   **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-     *
-     *   To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+    /** Unique identifier of the assistant. To get the **assistant ID** in the watsonx Assistant interface, open the
+     *  **Assistant settings** page, and scroll to the **Assistant IDs and API details** section and click **View
+     *  Details**.
      */
     assistantId: string;
     /** Unique identifier of the release. */
@@ -3457,20 +3003,9 @@ namespace AssistantV2 {
 
   /** Parameters for the `deployRelease` operation. */
   export interface DeployReleaseParams extends DefaultParams {
-    /** The assistant ID or the environment ID of the environment where the assistant is deployed.
-     *   Set the value for this ID depending on the type of request:
-     *
-     *   - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-     *  deployed.
-     *
-     *    - For all other requests, specify the assistant ID of the assistant.
-     *
-     *   To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-     *  settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-     *
-     *   **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-     *
-     *   To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+    /** Unique identifier of the assistant. To get the **assistant ID** in the watsonx Assistant interface, open the
+     *  **Assistant settings** page, and scroll to the **Assistant IDs and API details** section and click **View
+     *  Details**.
      */
     assistantId: string;
     /** Unique identifier of the release. */
@@ -3483,20 +3018,9 @@ namespace AssistantV2 {
 
   /** Parameters for the `createReleaseExport` operation. */
   export interface CreateReleaseExportParams extends DefaultParams {
-    /** The assistant ID or the environment ID of the environment where the assistant is deployed.
-     *   Set the value for this ID depending on the type of request:
-     *
-     *   - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-     *  deployed.
-     *
-     *    - For all other requests, specify the assistant ID of the assistant.
-     *
-     *   To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-     *  settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-     *
-     *   **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-     *
-     *   To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+    /** Unique identifier of the assistant. To get the **assistant ID** in the watsonx Assistant interface, open the
+     *  **Assistant settings** page, and scroll to the **Assistant IDs and API details** section and click **View
+     *  Details**.
      */
     assistantId: string;
     /** Unique identifier of the release. */
@@ -3507,20 +3031,9 @@ namespace AssistantV2 {
 
   /** Parameters for the `downloadReleaseExport` operation. */
   export interface DownloadReleaseExportParams extends DefaultParams {
-    /** The assistant ID or the environment ID of the environment where the assistant is deployed.
-     *   Set the value for this ID depending on the type of request:
-     *
-     *   - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-     *  deployed.
-     *
-     *    - For all other requests, specify the assistant ID of the assistant.
-     *
-     *   To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-     *  settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-     *
-     *   **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-     *
-     *   To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+    /** Unique identifier of the assistant. To get the **assistant ID** in the watsonx Assistant interface, open the
+     *  **Assistant settings** page, and scroll to the **Assistant IDs and API details** section and click **View
+     *  Details**.
      */
     assistantId: string;
     /** Unique identifier of the release. */
@@ -3531,20 +3044,9 @@ namespace AssistantV2 {
 
   /** Parameters for the `downloadReleaseExportAsStream` operation. */
   export interface DownloadReleaseExportAsStreamParams extends DefaultParams {
-    /** The assistant ID or the environment ID of the environment where the assistant is deployed.
-     *   Set the value for this ID depending on the type of request:
-     *
-     *   - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-     *  deployed.
-     *
-     *    - For all other requests, specify the assistant ID of the assistant.
-     *
-     *   To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-     *  settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-     *
-     *   **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-     *
-     *   To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+    /** Unique identifier of the assistant. To get the **assistant ID** in the watsonx Assistant interface, open the
+     *  **Assistant settings** page, and scroll to the **Assistant IDs and API details** section and click **View
+     *  Details**.
      */
     assistantId: string;
     /** Unique identifier of the release. */
@@ -3555,20 +3057,9 @@ namespace AssistantV2 {
 
   /** Parameters for the `createReleaseImport` operation. */
   export interface CreateReleaseImportParams extends DefaultParams {
-    /** The assistant ID or the environment ID of the environment where the assistant is deployed.
-     *   Set the value for this ID depending on the type of request:
-     *
-     *   - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-     *  deployed.
-     *
-     *    - For all other requests, specify the assistant ID of the assistant.
-     *
-     *   To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-     *  settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-     *
-     *   **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-     *
-     *   To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+    /** Unique identifier of the assistant. To get the **assistant ID** in the watsonx Assistant interface, open the
+     *  **Assistant settings** page, and scroll to the **Assistant IDs and API details** section and click **View
+     *  Details**.
      */
     assistantId: string;
     /** Request body is an Octet-stream of the artifact Zip file that is being imported. */
@@ -3579,20 +3070,9 @@ namespace AssistantV2 {
 
   /** Parameters for the `getReleaseImportStatus` operation. */
   export interface GetReleaseImportStatusParams extends DefaultParams {
-    /** The assistant ID or the environment ID of the environment where the assistant is deployed.
-     *   Set the value for this ID depending on the type of request:
-     *
-     *   - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-     *  deployed.
-     *
-     *    - For all other requests, specify the assistant ID of the assistant.
-     *
-     *   To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-     *  settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-     *
-     *   **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-     *
-     *   To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+    /** Unique identifier of the assistant. To get the **assistant ID** in the watsonx Assistant interface, open the
+     *  **Assistant settings** page, and scroll to the **Assistant IDs and API details** section and click **View
+     *  Details**.
      */
     assistantId: string;
     /** Whether to include the audit properties (`created` and `updated` timestamps) in the response. */
@@ -3601,20 +3081,9 @@ namespace AssistantV2 {
 
   /** Parameters for the `getSkill` operation. */
   export interface GetSkillParams extends DefaultParams {
-    /** The assistant ID or the environment ID of the environment where the assistant is deployed.
-     *   Set the value for this ID depending on the type of request:
-     *
-     *   - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-     *  deployed.
-     *
-     *    - For all other requests, specify the assistant ID of the assistant.
-     *
-     *   To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-     *  settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-     *
-     *   **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-     *
-     *   To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+    /** Unique identifier of the assistant. To get the **assistant ID** in the watsonx Assistant interface, open the
+     *  **Assistant settings** page, and scroll to the **Assistant IDs and API details** section and click **View
+     *  Details**.
      */
     assistantId: string;
     /** Unique identifier of the skill. To find the action or dialog skill ID in the watsonx Assistant user
@@ -3627,20 +3096,9 @@ namespace AssistantV2 {
 
   /** Parameters for the `updateSkill` operation. */
   export interface UpdateSkillParams extends DefaultParams {
-    /** The assistant ID or the environment ID of the environment where the assistant is deployed.
-     *   Set the value for this ID depending on the type of request:
-     *
-     *   - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-     *  deployed.
-     *
-     *    - For all other requests, specify the assistant ID of the assistant.
-     *
-     *   To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-     *  settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-     *
-     *   **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-     *
-     *   To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+    /** Unique identifier of the assistant. To get the **assistant ID** in the watsonx Assistant interface, open the
+     *  **Assistant settings** page, and scroll to the **Assistant IDs and API details** section and click **View
+     *  Details**.
      */
     assistantId: string;
     /** Unique identifier of the skill. To find the action or dialog skill ID in the watsonx Assistant user
@@ -3667,20 +3125,9 @@ namespace AssistantV2 {
 
   /** Parameters for the `exportSkills` operation. */
   export interface ExportSkillsParams extends DefaultParams {
-    /** The assistant ID or the environment ID of the environment where the assistant is deployed.
-     *   Set the value for this ID depending on the type of request:
-     *
-     *   - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-     *  deployed.
-     *
-     *    - For all other requests, specify the assistant ID of the assistant.
-     *
-     *   To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-     *  settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-     *
-     *   **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-     *
-     *   To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+    /** Unique identifier of the assistant. To get the **assistant ID** in the watsonx Assistant interface, open the
+     *  **Assistant settings** page, and scroll to the **Assistant IDs and API details** section and click **View
+     *  Details**.
      */
     assistantId: string;
     /** Whether to include the audit properties (`created` and `updated` timestamps) in the response. */
@@ -3689,20 +3136,9 @@ namespace AssistantV2 {
 
   /** Parameters for the `importSkills` operation. */
   export interface ImportSkillsParams extends DefaultParams {
-    /** The assistant ID or the environment ID of the environment where the assistant is deployed.
-     *   Set the value for this ID depending on the type of request:
-     *
-     *   - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-     *  deployed.
-     *
-     *    - For all other requests, specify the assistant ID of the assistant.
-     *
-     *   To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-     *  settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-     *
-     *   **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-     *
-     *   To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+    /** Unique identifier of the assistant. To get the **assistant ID** in the watsonx Assistant interface, open the
+     *  **Assistant settings** page, and scroll to the **Assistant IDs and API details** section and click **View
+     *  Details**.
      */
     assistantId: string;
     /** An array of objects describing the skills for the assistant. Included in responses only if
@@ -3717,20 +3153,9 @@ namespace AssistantV2 {
 
   /** Parameters for the `importSkillsStatus` operation. */
   export interface ImportSkillsStatusParams extends DefaultParams {
-    /** The assistant ID or the environment ID of the environment where the assistant is deployed.
-     *   Set the value for this ID depending on the type of request:
-     *
-     *   - For message, session, and log requests, specify the environment ID of the environment where the assistant is
-     *  deployed.
-     *
-     *    - For all other requests, specify the assistant ID of the assistant.
-     *
-     *   To get the **assistant ID** and **environment ID** in the watsonx Assistant interface, open the **Assistant
-     *  settings** page, and scroll to the **Assistant IDs and API details** section and click **View Details**.
-     *
-     *   **Note:** If you are using the classic Watson Assistant experience, always use the assistant ID.
-     *
-     *   To find the **assistant ID** in the user interface, open the **Assistant settings** and click **API Details**.
+    /** Unique identifier of the assistant. To get the **assistant ID** in the watsonx Assistant interface, open the
+     *  **Assistant settings** page, and scroll to the **Assistant IDs and API details** section and click **View
+     *  Details**.
      */
     assistantId: string;
   }
@@ -4118,6 +3543,27 @@ namespace AssistantV2 {
     input?: MessageInput;
   }
 
+  /**
+   * DtmfCommandInfo.
+   */
+  export interface DtmfCommandInfo {
+    /** Specifies the type of DTMF command for the phone integration. */
+    type: DtmfCommandInfo.Constants.Type | string;
+    /** Parameters specified by the command type. */
+    parameters?: JsonObject;
+  }
+  export namespace DtmfCommandInfo {
+    export namespace Constants {
+      /** Specifies the type of DTMF command for the phone integration. */
+      export enum Type {
+        COLLECT = 'collect',
+        DISABLE_BARGE_IN = 'disable_barge_in',
+        ENABLE_BARGE_IN = 'enable_barge_in',
+        SEND = 'send',
+      }
+    }
+  }
+
   /**
    * Environment.
    */
@@ -7396,6 +6842,33 @@ namespace AssistantV2 {
     response_type: string;
   }
 
+  /**
+   * RuntimeResponseGenericRuntimeResponseTypeDtmf.
+   */
+  export interface RuntimeResponseGenericRuntimeResponseTypeDtmf extends RuntimeResponseGeneric {
+    /** The type of response returned by the dialog node. The specified response type must be supported by the
+     *  client application or channel.
+     */
+    response_type: string;
+    command_info?: DtmfCommandInfo;
+    /** An array of objects specifying channels for which the response is intended. If **channels** is present, the
+     *  response is intended for a built-in integration and should not be handled by an API client.
+     */
+    channels?: ResponseGenericChannel[];
+  }
+
+  /**
+   * RuntimeResponseGenericRuntimeResponseTypeEndSession.
+   */
+  export interface RuntimeResponseGenericRuntimeResponseTypeEndSession extends RuntimeResponseGeneric {
+    /** The type of response returned by the dialog node. The specified response type must be supported by the
+     *  client application or channel.
+     */
+    response_type: string;
+    /** For internal use only. */
+    channel_options?: JsonObject;
+  }
+
   /**
    * RuntimeResponseGenericRuntimeResponseTypeIframe.
    */
diff --git a/speech-to-text/v1-generated.ts b/speech-to-text/v1-generated.ts
index 0468864ceb..6a8c4799fc 100644
--- a/speech-to-text/v1-generated.ts
+++ b/speech-to-text/v1-generated.ts
@@ -1,5 +1,5 @@
 /**
- * (C) Copyright IBM Corp. 2025.
+s * (C) Copyright IBM Corp. 2026.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -343,6 +343,13 @@ class SpeechToTextV1 extends BaseService {
    * `sad_module: 2` to increase accuracy and performance in detecting speech boundaries within the audio stream. See
    * [Using speech recognition
    * parameters](https://cloud.ibm.com/docs/speech-to-text?topic=speech-to-text-service-features#features-parameters).
+   * @param {string} [params.enrichments] - Speech transcript enrichment improves readability of raw ASR transcripts by
+   * adding punctuation (periods, commas, question marks, exclamation points) and intelligent capitalization (sentence
+   * beginnings, proper nouns, acronyms, brand names). To enable enrichment, add the `enrichments=punctuation` parameter
+   * to your recognition request. Supported languages include English (US, UK, Australia, India), French (France,
+   * Canada), German, Italian, Portuguese (Brazil, Portugal), Spanish (Spain, Latin America, Argentina, Chile, Colombia,
+   * Mexico, Peru), and Japanese. See [Speech transcript
+   * enrichment](https://cloud.ibm.com/docs/speech-to-text?topic=speech-to-text-speech-transcript-enrichment).
    * @param {string} [params.languageCustomizationId] - The customization ID (GUID) of a custom language model that is
    * to be used with the recognition request. The base model of the specified custom language model must match the model
    * specified with the `model` parameter. You must make the request with credentials for the instance of the service
@@ -569,7 +576,7 @@ class SpeechToTextV1 extends BaseService {
   ): Promise<SpeechToTextV1.Response<SpeechToTextV1.SpeechRecognitionResults>> {
     const _params = { ...params };
     const _requiredParams = ['audio'];
-    const _validParams = ['audio', 'contentType', 'model', 'speechBeginEvent', 'languageCustomizationId', 'acousticCustomizationId', 'baseModelVersion', 'customizationWeight', 'inactivityTimeout', 'keywords', 'keywordsThreshold', 'maxAlternatives', 'wordAlternativesThreshold', 'wordConfidence', 'timestamps', 'profanityFilter', 'smartFormatting', 'smartFormattingVersion', 'speakerLabels', 'grammarName', 'redaction', 'audioMetrics', 'endOfPhraseSilenceTime', 'splitTranscriptAtPhraseEnd', 'speechDetectorSensitivity', 'sadModule', 'backgroundAudioSuppression', 'lowLatency', 'characterInsertionBias', 'signal', 'headers'];
+    const _validParams = ['audio', 'contentType', 'model', 'speechBeginEvent', 'enrichments', 'languageCustomizationId', 'acousticCustomizationId', 'baseModelVersion', 'customizationWeight', 'inactivityTimeout', 'keywords', 'keywordsThreshold', 'maxAlternatives', 'wordAlternativesThreshold', 'wordConfidence', 'timestamps', 'profanityFilter', 'smartFormatting', 'smartFormattingVersion', 'speakerLabels', 'grammarName', 'redaction', 'audioMetrics', 'endOfPhraseSilenceTime', 'splitTranscriptAtPhraseEnd', 'speechDetectorSensitivity', 'sadModule', 'backgroundAudioSuppression', 'lowLatency', 'characterInsertionBias', 'signal', 'headers'];
     const _validationErrors = validateParams(_params, _requiredParams, _validParams);
     if (_validationErrors) {
       return Promise.reject(_validationErrors);
@@ -579,6 +586,7 @@ class SpeechToTextV1 extends BaseService {
     const query = {
       'model': _params.model,
       'speech_begin_event': _params.speechBeginEvent,
+      'enrichments': _params.enrichments,
       'language_customization_id': _params.languageCustomizationId,
       'acoustic_customization_id': _params.acousticCustomizationId,
       'base_model_version': _params.baseModelVersion,
@@ -939,6 +947,20 @@ class SpeechToTextV1 extends BaseService {
    * @param {number} [params.resultsTtl] - The number of minutes for which the results are to be available after the job
    * has finished. If not delivered via a callback, the results must be retrieved within this time. Omit the parameter
    * to use a time to live of one week. The parameter is valid with or without a callback URL.
+   * @param {boolean} [params.speechBeginEvent] - If `true`, the service returns a response object `SpeechActivity`
+   * which contains the time when a speech activity is detected in the stream. This can be used both in standard and low
+   * latency mode. This feature enables client applications to know that some words/speech has been detected and the
+   * service is in the process of decoding. This can be used in lieu of interim results in standard mode. Use
+   * `sad_module: 2` to increase accuracy and performance in detecting speech boundaries within the audio stream. See
+   * [Using speech recognition
+   * parameters](https://cloud.ibm.com/docs/speech-to-text?topic=speech-to-text-service-features#features-parameters).
+   * @param {string} [params.enrichments] - Speech transcript enrichment improves readability of raw ASR transcripts by
+   * adding punctuation (periods, commas, question marks, exclamation points) and intelligent capitalization (sentence
+   * beginnings, proper nouns, acronyms, brand names). To enable enrichment, add the `enrichments=punctuation` parameter
+   * to your recognition request. Supported languages include English (US, UK, Australia, India), French (France,
+   * Canada), German, Italian, Portuguese (Brazil, Portugal), Spanish (Spain, Latin America, Argentina, Chile, Colombia,
+   * Mexico, Peru), and Japanese. See [Speech transcript
+   * enrichment](https://cloud.ibm.com/docs/speech-to-text?topic=speech-to-text-speech-transcript-enrichment).
    * @param {string} [params.languageCustomizationId] - The customization ID (GUID) of a custom language model that is
    * to be used with the recognition request. The base model of the specified custom language model must match the model
    * specified with the `model` parameter. You must make the request with credentials for the instance of the service
@@ -1185,7 +1207,7 @@ class SpeechToTextV1 extends BaseService {
   ): Promise<SpeechToTextV1.Response<SpeechToTextV1.RecognitionJob>> {
     const _params = { ...params };
     const _requiredParams = ['audio'];
-    const _validParams = ['audio', 'contentType', 'model', 'callbackUrl', 'events', 'userToken', 'resultsTtl', 'languageCustomizationId', 'acousticCustomizationId', 'baseModelVersion', 'customizationWeight', 'inactivityTimeout', 'keywords', 'keywordsThreshold', 'maxAlternatives', 'wordAlternativesThreshold', 'wordConfidence', 'timestamps', 'profanityFilter', 'smartFormatting', 'smartFormattingVersion', 'speakerLabels', 'grammarName', 'redaction', 'processingMetrics', 'processingMetricsInterval', 'audioMetrics', 'endOfPhraseSilenceTime', 'splitTranscriptAtPhraseEnd', 'speechDetectorSensitivity', 'sadModule', 'backgroundAudioSuppression', 'lowLatency', 'characterInsertionBias', 'signal', 'headers'];
+    const _validParams = ['audio', 'contentType', 'model', 'callbackUrl', 'events', 'userToken', 'resultsTtl', 'speechBeginEvent', 'enrichments', 'languageCustomizationId', 'acousticCustomizationId', 'baseModelVersion', 'customizationWeight', 'inactivityTimeout', 'keywords', 'keywordsThreshold', 'maxAlternatives', 'wordAlternativesThreshold', 'wordConfidence', 'timestamps', 'profanityFilter', 'smartFormatting', 'smartFormattingVersion', 'speakerLabels', 'grammarName', 'redaction', 'processingMetrics', 'processingMetricsInterval', 'audioMetrics', 'endOfPhraseSilenceTime', 'splitTranscriptAtPhraseEnd', 'speechDetectorSensitivity', 'sadModule', 'backgroundAudioSuppression', 'lowLatency', 'characterInsertionBias', 'signal', 'headers'];
     const _validationErrors = validateParams(_params, _requiredParams, _validParams);
     if (_validationErrors) {
       return Promise.reject(_validationErrors);
@@ -1198,6 +1220,8 @@ class SpeechToTextV1 extends BaseService {
       'events': _params.events,
       'user_token': _params.userToken,
       'results_ttl': _params.resultsTtl,
+      'speech_begin_event': _params.speechBeginEvent,
+      'enrichments': _params.enrichments,
       'language_customization_id': _params.languageCustomizationId,
       'acoustic_customization_id': _params.acousticCustomizationId,
       'base_model_version': _params.baseModelVersion,
@@ -4185,6 +4209,70 @@ class SpeechToTextV1 extends BaseService {
       }),
     };
 
+    return this.createRequest(parameters);
+  }
+  /*************************
+   * languageIdentification
+   ************************/
+
+  /**
+   * Spoken language identification.
+   *
+   * Detects the spoken language in audio streams. The endpoint is `/v1/detect_language` and user can optionally include
+   * `lid_confidence` parameter to set a custom confidence threshold for detection. The model continuously processes
+   * incoming audio and returns the identified language when it reaches a confidence level higher than the specified
+   * threshold (0.99 by default). See [Spoken language
+   * identification](https://cloud.ibm.com/docs/speech-to-text?topic=speech-to-text-speech-language-identification).
+   *
+   * @param {Object} params - The parameters to send to the service.
+   * @param {number} params.lidConfidence - Set a custom confidence threshold for detection.
+   * @param {NodeJS.ReadableStream | Buffer} params.audio - The audio to transcribe.
+   * @param {string} [params.contentType] - The type of the input.
+   * @param {OutgoingHttpHeaders} [params.headers] - Custom request headers
+   * @returns {Promise<SpeechToTextV1.Response<SpeechToTextV1.LanguageDetectionResults>>}
+   */
+  public detectLanguage(
+    params: SpeechToTextV1.DetectLanguageParams
+  ): Promise<SpeechToTextV1.Response<SpeechToTextV1.LanguageDetectionResults>> {
+    const _params = { ...params };
+    const _requiredParams = ['lidConfidence', 'audio'];
+    const _validParams = ['lidConfidence', 'audio', 'contentType', 'signal', 'headers'];
+    const _validationErrors = validateParams(_params, _requiredParams, _validParams);
+    if (_validationErrors) {
+      return Promise.reject(_validationErrors);
+    }
+
+    const body = _params.audio;
+    const query = {
+      'lid_confidence': _params.lidConfidence,
+    };
+
+    const sdkHeaders = getSdkHeaders(SpeechToTextV1.DEFAULT_SERVICE_NAME, 'v1', 'detectLanguage');
+
+    const parameters = {
+      options: {
+        url: '/v1/detect_language',
+        method: 'POST',
+        body,
+        qs: query,
+      },
+      defaultOptions: extend(true, {}, this.baseOptions, {
+        headers: extend(
+          true,
+          sdkHeaders,
+          this.baseOptions.headers,
+          {
+            'Accept': 'application/json',
+            'Content-Type': _params.contentType,
+          },
+          _params.headers
+        ),
+        axiosOptions: {
+          signal: _params.signal,
+        },
+      }),
+    };
+
     return this.createRequest(parameters);
   }
 }
@@ -4356,6 +4444,15 @@ namespace SpeechToTextV1 {
      *  parameters](https://cloud.ibm.com/docs/speech-to-text?topic=speech-to-text-service-features#features-parameters).
      */
     speechBeginEvent?: boolean;
+    /** Speech transcript enrichment improves readability of raw ASR transcripts by adding punctuation (periods,
+     *  commas, question marks, exclamation points) and intelligent capitalization (sentence beginnings, proper nouns,
+     *  acronyms, brand names). To enable enrichment, add the `enrichments=punctuation` parameter to your recognition
+     *  request. Supported languages include English (US, UK, Australia, India), French (France, Canada), German,
+     *  Italian, Portuguese (Brazil, Portugal), Spanish (Spain, Latin America, Argentina, Chile, Colombia, Mexico,
+     *  Peru), and Japanese. See [Speech transcript
+     *  enrichment](https://cloud.ibm.com/docs/speech-to-text?topic=speech-to-text-speech-transcript-enrichment).
+     */
+    enrichments?: string;
     /** The customization ID (GUID) of a custom language model that is to be used with the recognition request. The
      *  base model of the specified custom language model must match the model specified with the `model` parameter. You
      *  must make the request with credentials for the instance of the service that owns the custom model. By default,
@@ -4810,6 +4907,23 @@ namespace SpeechToTextV1 {
      *  week. The parameter is valid with or without a callback URL.
      */
     resultsTtl?: number;
+    /** If `true`, the service returns a response object `SpeechActivity` which contains the time when a speech
+     *  activity is detected in the stream. This can be used both in standard and low latency mode. This feature enables
+     *  client applications to know that some words/speech has been detected and the service is in the process of
+     *  decoding. This can be used in lieu of interim results in standard mode. Use `sad_module: 2` to increase accuracy
+     *  and performance in detecting speech boundaries within the audio stream. See [Using speech recognition
+     *  parameters](https://cloud.ibm.com/docs/speech-to-text?topic=speech-to-text-service-features#features-parameters).
+     */
+    speechBeginEvent?: boolean;
+    /** Speech transcript enrichment improves readability of raw ASR transcripts by adding punctuation (periods,
+     *  commas, question marks, exclamation points) and intelligent capitalization (sentence beginnings, proper nouns,
+     *  acronyms, brand names). To enable enrichment, add the `enrichments=punctuation` parameter to your recognition
+     *  request. Supported languages include English (US, UK, Australia, India), French (France, Canada), German,
+     *  Italian, Portuguese (Brazil, Portugal), Spanish (Spain, Latin America, Argentina, Chile, Colombia, Mexico,
+     *  Peru), and Japanese. See [Speech transcript
+     *  enrichment](https://cloud.ibm.com/docs/speech-to-text?topic=speech-to-text-speech-transcript-enrichment).
+     */
+    enrichments?: string;
     /** The customization ID (GUID) of a custom language model that is to be used with the recognition request. The
      *  base model of the specified custom language model must match the model specified with the `model` parameter. You
      *  must make the request with credentials for the instance of the service that owns the custom model. By default,
@@ -6096,6 +6210,39 @@ namespace SpeechToTextV1 {
     customerId: string;
   }
 
+  /** Parameters for the `detectLanguage` operation. */
+  export interface DetectLanguageParams extends DefaultParams {
+    /** Set a custom confidence threshold for detection. */
+    lidConfidence: number;
+    /** The audio to transcribe. */
+    audio: NodeJS.ReadableStream | Buffer;
+    /** The type of the input. */
+    contentType?: DetectLanguageConstants.ContentType | string;
+  }
+
+  /** Constants for the `detectLanguage` operation. */
+  export namespace DetectLanguageConstants {
+    /** The type of the input. */
+    export enum ContentType {
+      APPLICATION_OCTET_STREAM = 'application/octet-stream',
+      AUDIO_ALAW = 'audio/alaw',
+      AUDIO_BASIC = 'audio/basic',
+      AUDIO_FLAC = 'audio/flac',
+      AUDIO_G729 = 'audio/g729',
+      AUDIO_L16 = 'audio/l16',
+      AUDIO_MP3 = 'audio/mp3',
+      AUDIO_MPEG = 'audio/mpeg',
+      AUDIO_MULAW = 'audio/mulaw',
+      AUDIO_OGG = 'audio/ogg',
+      AUDIO_OGG_CODECS_OPUS = 'audio/ogg;codecs=opus',
+      AUDIO_OGG_CODECS_VORBIS = 'audio/ogg;codecs=vorbis',
+      AUDIO_WAV = 'audio/wav',
+      AUDIO_WEBM = 'audio/webm',
+      AUDIO_WEBM_CODECS_OPUS = 'audio/webm;codecs=opus',
+      AUDIO_WEBM_CODECS_VORBIS = 'audio/webm;codecs=vorbis',
+    }
+  }
+
   /*************************
    * model interfaces
    ************************/
@@ -6485,6 +6632,44 @@ namespace SpeechToTextV1 {
     display_as?: string;
   }
 
+  /**
+   * If enriched results are requested, transcription with inserted punctuation marks such as periods, commas, question
+   * marks, and exclamation points.
+   */
+  export interface EnrichedResults {
+    /** If enriched results are requested, transcription with inserted punctuation marks such as periods, commas,
+     *  question marks, and exclamation points.
+     */
+    transcript?: EnrichedResultsTranscript;
+    /** The status of the enriched transcription. */
+    status?: string;
+  }
+
+  /**
+   * If enriched results are requested, transcription with inserted punctuation marks such as periods, commas, question
+   * marks, and exclamation points.
+   */
+  export interface EnrichedResultsTranscript {
+    /** The transcript text. */
+    text?: string;
+    /** The speaking time from the beginning of the transcript to the end. */
+    timestamp?: EnrichedResultsTranscriptTimestamp;
+  }
+
+  /**
+   * The speaking time from the beginning of the transcript to the end.
+   */
+  export interface EnrichedResultsTranscriptTimestamp {
+    /** The start time of a word from the transcript. The value matches the start time of a word from the
+     *  `timestamps` array.
+     */
+    from?: number;
+    /** The end time of a word from the transcript. The value matches the end time of a word from the `timestamps`
+     *  array.
+     */
+    to?: number;
+  }
+
   /**
    * Information about a grammar from a custom language model.
    */
@@ -6548,6 +6733,42 @@ namespace SpeechToTextV1 {
     confidence: number;
   }
 
+  /**
+   * Language detection results.
+   */
+  export interface LanguageDetectionResult {
+    /** An array of `LanguageInfo` objects. */
+    language_info?: LanguageInfo[];
+  }
+
+  /**
+   * Language detection results.
+   */
+  export interface LanguageDetectionResults {
+    /** An array of `LanguageDetectionResult` objects. */
+    results?: LanguageDetectionResult[];
+    /** An index that indicates a change point in the `results` array. The service increments the index for
+     *  additional results that it sends for new audio for the same request. All results with the same index are
+     *  delivered at the same time. The same index can include multiple final results that are delivered with the same
+     *  response.
+     */
+    result_index?: number;
+  }
+
+  /**
+   * Language detection info such as confidence and language detected.
+   */
+  export interface LanguageInfo {
+    /** A score that indicates the service's confidence in its identification of the language in the range of 0.0 to
+     *  1.0.
+     */
+    confidence?: number;
+    /** The language detected in standard abbreviated ISO 639 format. */
+    language?: string;
+    /** The timestamp of the detected language. */
+    timestamp?: number;
+  }
+
   /**
    * Information about an existing custom language model.
    */
@@ -6880,8 +7101,7 @@ namespace SpeechToTextV1 {
      *  * If `false`, the results are interim. They can be updated with further interim results until final results are
      *  eventually sent.
      *
-     *  **Note:** Because `final` is a reserved word in Java and Swift, the field is renamed `xFinal` in Java and is
-     *  escaped with back quotes in Swift.
+     *  **Note:** Because `final` is a reserved word in Java, the field is renamed `xFinal` in Java.
      */
     final: boolean;
     /** An array of alternative transcripts. The `alternatives` array can include additional requested output such
@@ -6969,6 +7189,10 @@ namespace SpeechToTextV1 {
      *  In both cases, the request succeeds despite the warnings.
      */
     warnings?: string[];
+    /** If enriched results are requested, transcription with inserted punctuation marks such as periods, commas,
+     *  question marks, and exclamation points.
+     */
+    enriched_results?: EnrichedResults;
   }
 
   /**
diff --git a/test/unit/speech-to-text.v1.test.js b/test/unit/speech-to-text.v1.test.js
index bfaee9ce02..4afe2de96e 100644
--- a/test/unit/speech-to-text.v1.test.js
+++ b/test/unit/speech-to-text.v1.test.js
@@ -1,5 +1,5 @@
 /**
- * (C) Copyright IBM Corp. 2025.
+ * (C) Copyright IBM Corp. 2026.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -274,6 +274,7 @@ describe('SpeechToTextV1', () => {
         const contentType = 'application/octet-stream';
         const model = 'en-US_BroadbandModel';
         const speechBeginEvent = false;
+        const enrichments = 'testString';
         const languageCustomizationId = 'testString';
         const acousticCustomizationId = 'testString';
         const baseModelVersion = 'testString';
@@ -304,6 +305,7 @@ describe('SpeechToTextV1', () => {
           contentType,
           model,
           speechBeginEvent,
+          enrichments,
           languageCustomizationId,
           acousticCustomizationId,
           baseModelVersion,
@@ -349,6 +351,7 @@ describe('SpeechToTextV1', () => {
         expect(mockRequestOptions.body).toEqual(audio);
         expect(mockRequestOptions.qs.model).toEqual(model);
         expect(mockRequestOptions.qs.speech_begin_event).toEqual(speechBeginEvent);
+        expect(mockRequestOptions.qs.enrichments).toEqual(enrichments);
         expect(mockRequestOptions.qs.language_customization_id).toEqual(languageCustomizationId);
         expect(mockRequestOptions.qs.acoustic_customization_id).toEqual(acousticCustomizationId);
         expect(mockRequestOptions.qs.base_model_version).toEqual(baseModelVersion);
@@ -616,6 +619,8 @@ describe('SpeechToTextV1', () => {
         const events = 'recognitions.started';
         const userToken = 'testString';
         const resultsTtl = 38;
+        const speechBeginEvent = false;
+        const enrichments = 'testString';
         const languageCustomizationId = 'testString';
         const acousticCustomizationId = 'testString';
         const baseModelVersion = 'testString';
@@ -651,6 +656,8 @@ describe('SpeechToTextV1', () => {
           events,
           userToken,
           resultsTtl,
+          speechBeginEvent,
+          enrichments,
           languageCustomizationId,
           acousticCustomizationId,
           baseModelVersion,
@@ -701,6 +708,8 @@ describe('SpeechToTextV1', () => {
         expect(mockRequestOptions.qs.events).toEqual(events);
         expect(mockRequestOptions.qs.user_token).toEqual(userToken);
         expect(mockRequestOptions.qs.results_ttl).toEqual(resultsTtl);
+        expect(mockRequestOptions.qs.speech_begin_event).toEqual(speechBeginEvent);
+        expect(mockRequestOptions.qs.enrichments).toEqual(enrichments);
         expect(mockRequestOptions.qs.language_customization_id).toEqual(languageCustomizationId);
         expect(mockRequestOptions.qs.acoustic_customization_id).toEqual(acousticCustomizationId);
         expect(mockRequestOptions.qs.base_model_version).toEqual(baseModelVersion);
@@ -3835,4 +3844,96 @@ describe('SpeechToTextV1', () => {
       });
     });
   });
+
+  describe('detectLanguage', () => {
+    describe('positive tests', () => {
+      function __detectLanguageTest() {
+        // Construct the params object for operation detectLanguage
+        const lidConfidence = 36.0;
+        const audio = Buffer.from('This is a mock file.');
+        const contentType = 'application/octet-stream';
+        const detectLanguageParams = {
+          lidConfidence,
+          audio,
+          contentType,
+        };
+
+        const detectLanguageResult = speechToTextService.detectLanguage(detectLanguageParams);
+
+        // all methods should return a Promise
+        expectToBePromise(detectLanguageResult);
+
+        // assert that create request was called
+        expect(createRequestMock).toHaveBeenCalledTimes(1);
+
+        const mockRequestOptions = getOptions(createRequestMock);
+
+        checkUrlAndMethod(mockRequestOptions, '/v1/detect_language', 'POST');
+        const expectedAccept = 'application/json';
+        const expectedContentType = contentType;
+        checkMediaHeaders(createRequestMock, expectedAccept, expectedContentType);
+        checkUserHeader(createRequestMock, 'Content-Type', contentType);
+        expect(mockRequestOptions.body).toEqual(audio);
+        expect(mockRequestOptions.qs.lid_confidence).toEqual(lidConfidence);
+      }
+
+      test('should pass the right params to createRequest with enable and disable retries', () => {
+        // baseline test
+        __detectLanguageTest();
+
+        // enable retries and test again
+        createRequestMock.mockClear();
+        speechToTextService.enableRetries();
+        __detectLanguageTest();
+
+        // disable retries and test again
+        createRequestMock.mockClear();
+        speechToTextService.disableRetries();
+        __detectLanguageTest();
+      });
+
+      test('should prioritize user-given headers', () => {
+        // parameters
+        const lidConfidence = 36.0;
+        const audio = Buffer.from('This is a mock file.');
+        const userAccept = 'fake/accept';
+        const userContentType = 'fake/contentType';
+        const detectLanguageParams = {
+          lidConfidence,
+          audio,
+          headers: {
+            Accept: userAccept,
+            'Content-Type': userContentType,
+          },
+        };
+
+        speechToTextService.detectLanguage(detectLanguageParams);
+        checkMediaHeaders(createRequestMock, userAccept, userContentType);
+      });
+    });
+
+    describe('negative tests', () => {
+      test('should enforce required parameters', async () => {
+        let err;
+        try {
+          await speechToTextService.detectLanguage({});
+        } catch (e) {
+          err = e;
+        }
+
+        expect(err.message).toMatch(/Missing required parameters/);
+      });
+
+      test('should reject promise when required params are not given', async () => {
+        let err;
+        try {
+          await speechToTextService.detectLanguage();
+        } catch (e) {
+          err = e;
+        }
+
+        expect(err.message).toMatch(/Missing required parameters/);
+      });
+    });
+  });
 });