Caller parameter lists

In addition to the DSECTs DFHUEPAR and DFHUERTR, the inclusion of DFHUEXIT TYPE=RM in the task-related user exit program provides some field definitions that are specific to the caller of the task-related user exit. The calling program’s parameter list is normally addressed by R1 in the calling program’s RSA. This RSA is addressed by field UEPHMSA of DFHUEPAR. These parameters are described in the following subtopics.