Retrieving SOAP headers from the SOAP response message

Draft comment:
This topic is shared by BAW, CP4BA, CP4BASaaS. Last updated on 2025-03-13 12:15

You can retrieve SOAP headers from a response message by creating a variable of type SOAPHeaders and then mapping that variable to the SOAP header response.

Before you begin

This task requires that you have access to an integration service with a web service integration component and a SOAP request message.

Procedure

Create a service flow and add a service task.
Create a private variable of the type SOAPHeaders.
This variable will receive the header entries from the SOAP response message.
On the Data Mapping tab of the Properties view, in the Output Header Mapping section, map your newly created variable to the response SOAP header.
When the web service invocation finishes, this variable is initialized for you and it contains all the SOAP header entries from the SOAP response message.
To access the headers that have been received by the variable, add JavaScript code to Post-execution Assignments on the Pre & Post tab and add the code there.
The following example shows how to access the header entries. In this example, the private variable tw.local.responseHeaders is defined on the Variables tab and mapped to the response SOAP header on the Data Mapping tab.
```
var myHeader = new tw.object.SOAPHeader();
var numHeaders = tw.local.responseHeaders.headers.listLength();
for (var i = 0; i < numHeaders; i++) {
    if (tw.local.responseHeaders.headers[i].name == "header1") {
        myHeader = tw.local.responseHeaders.headers[i];
    }
}
```
Click Save or Finish Editing.
For details about declaring variables for the client-side human services, see Declaring variables
Run the service flow by clicking Run Service and verify that the SOAP headers are added to the request message and that the expected SOAP headers are retrieved from the response SOAP message.