How To - 10.1.3 OWSM: Access the processed SAML token in a custom step

In some situations you may want to access the SAML token processed by the "Verify SAML token" policy step in a subsequent custom step.
The API to access it is

ArrayList samlAssertions = msgctx.getProperty("SAML_ASSERTIONS");
if(samlAssertions != null) 
  String samlAssertion = samlAssertions.get(0);