DFHWS-OPERATION is a container of DATATYPE(CHAR) that is normally used in a service provider application deployed with the CICS Web services assistant. It holds the name of the operation that is specified in a SOAP request.
In a service requester pipeline, the container holds the name specified in the OPERATION option of the EXEC CICS INVOKE WEBSERVICE command. The container is not available to the application that issues the command.