From fe32abc6f012d358a88c7fad4cf2b0b4c12cbaee Mon Sep 17 00:00:00 2001
From: Mateusz Wiktor <39187473+techwritermat@users.noreply.github.com>
Date: Mon, 28 Jul 2025 09:03:03 +0200
Subject: [PATCH 1/3] Update publish-subscribe.ts

---
 docs-snippets/publish-subscribe.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/docs-snippets/publish-subscribe.ts b/docs-snippets/publish-subscribe.ts
index 4d16b1685..4a577678f 100644
--- a/docs-snippets/publish-subscribe.ts
+++ b/docs-snippets/publish-subscribe.ts
@@ -224,9 +224,9 @@ pubnub.unsubscribe({
 // create a subscription set with multiple channels
 const subscriptionSet1 = pubnub.subscriptionSet({ channels: ['ch1', 'ch2'] });
 
-// create a subscription set with multiple channel groups and options
+// create a subscription set with multiple channels and options
 const subscriptionSet2 = pubnub.subscriptionSet({
-  channels: ['ch1', 'ch2'],
+  channels: ['ch3', 'ch4'],
   subscriptionOptions: { receivePresenceEvents: true },
 });
 

From cf566c455d8e9849b30099bc9065541a6bb9e659 Mon Sep 17 00:00:00 2001
From: Mateusz Wiktor <39187473+techwritermat@users.noreply.github.com>
Date: Mon, 28 Jul 2025 09:42:40 +0200
Subject: [PATCH 2/3] Update publish-subscribe.ts

---
 docs-snippets/publish-subscribe.ts | 28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

diff --git a/docs-snippets/publish-subscribe.ts b/docs-snippets/publish-subscribe.ts
index 4a577678f..3fa55f5a3 100644
--- a/docs-snippets/publish-subscribe.ts
+++ b/docs-snippets/publish-subscribe.ts
@@ -224,7 +224,7 @@ pubnub.unsubscribe({
 // create a subscription set with multiple channels
 const subscriptionSet1 = pubnub.subscriptionSet({ channels: ['ch1', 'ch2'] });
 
-// create a subscription set with multiple channels and options
+// create another subscription set with multiple channels and options
 const subscriptionSet2 = pubnub.subscriptionSet({
   channels: ['ch3', 'ch4'],
   subscriptionOptions: { receivePresenceEvents: true },
@@ -236,3 +236,29 @@ subscriptionSet1.addSubscriptionSet(subscriptionSet2);
 // remove a subscription set from another subscription set
 subscriptionSet1.removeSubscriptionSet(subscriptionSet2);
 // snippet.end
+
+// snippet.AddToExistingSubscriptionSet
+// create a subscription set with multiple channels
+const subscriptionSet1 = pubnub.subscriptionSet({ channels: ['ch1', 'ch2'] });
+
+// subscribe to the set
+// start receiving events from ch1 and ch2
+subscriptionSet1.subscribe();
+
+// create another subscription set with multiple channels
+const subscriptionSet2 = pubnub.subscriptionSet({channels: ['ch3', 'ch4']});
+
+// add the new set to the initial set 
+subscriptionSet1.addSubscriptionSet(subscriptionSet2);
+
+// you're now receiving events from ch1, ch2, ch3, and ch4
+// because the set has been subscribed to previously
+
+// create and add another subscription to the set
+const channelGroup = pubnub.channelGroup('channelGroup_1');
+const subscription2 = channelGroup.subscription();
+subscriptionSet1.addSubscription(subscription2);
+
+// you're now receiving events from ch1, ch2, ch3, and ch4 and channelGroup_1
+
+// snippet.end

From 64203ba4052ed5787a994ac37d34b12cf71ac452 Mon Sep 17 00:00:00 2001
From: Mateusz Wiktor <39187473+techwritermat@users.noreply.github.com>
Date: Mon, 28 Jul 2025 10:22:52 +0200
Subject: [PATCH 3/3] Update publish-subscribe.ts

---
 docs-snippets/publish-subscribe.ts | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/docs-snippets/publish-subscribe.ts b/docs-snippets/publish-subscribe.ts
index 3fa55f5a3..e79e937ae 100644
--- a/docs-snippets/publish-subscribe.ts
+++ b/docs-snippets/publish-subscribe.ts
@@ -246,9 +246,9 @@ const subscriptionSet1 = pubnub.subscriptionSet({ channels: ['ch1', 'ch2'] });
 subscriptionSet1.subscribe();
 
 // create another subscription set with multiple channels
-const subscriptionSet2 = pubnub.subscriptionSet({channels: ['ch3', 'ch4']});
+const subscriptionSet2 = pubnub.subscriptionSet({ channels: ['ch3', 'ch4'] });
 
-// add the new set to the initial set 
+// add the new set to the initial set
 subscriptionSet1.addSubscriptionSet(subscriptionSet2);
 
 // you're now receiving events from ch1, ch2, ch3, and ch4
@@ -260,5 +260,4 @@ const subscription2 = channelGroup.subscription();
 subscriptionSet1.addSubscription(subscription2);
 
 // you're now receiving events from ch1, ch2, ch3, and ch4 and channelGroup_1
-
 // snippet.end