Pass Custom header to IDN SCIM 2.0 Connector

Hi All,

We are looking to integrate with SAP analytics cloud which using SCIM 2.0 connector.
Authentication mechanism is Oauth , Grant type is client credentials.
The requests for user operations require “x-sap-sac-custom-auth” header to be passed in the requests (Not the Token Generation request)
We have added the header in the ``oauth_request_parameters" and " oauth_headers" in source by following the documentation: Additional Settings

Issue: The custom headers get a added only during the token generation and not during the normal SCIM requests.

How can we add these headers in the requests? Any help is apprciated.

Thanks
Arjun