Contains a unique value that identifies the client request currently running in an AppServer session. The client generates a value for the RequestId property and is passed on to the AppServer agent as a part of each request. The initial value for this property is a randomly generated character string containing a globally unique identifier.
AppServer session — Using the CURRENT-REQUEST-INFO and CURRENT-RESPONSE-INFO attributes on the SESSION system handle.
ABL client session — Using the REQUEST-INFO and RESPONSE-INFO attributes on the server object handle used to invoke the remote request, and on the asynchronous request object handle returned for an asynchronous request.