How do i suppose to add header to a specific method ?

[muhammadumairsse]

I want to add header like <soap:header message="" part="" use="encoding"/>

<operation name="addRecipient">
      <soap:operation soapAction="https://gateway.ekomiapps.de/soap#addRecipient"/>
      <input>
<!-- HERE -->
        <soap:body use="encoded" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" namespace="namespace"/>
      </input>
</operation>