The GROUP_MAP command is used to specify a set of fields that will be passed in and/or out of a SRVROUTINE.
Also See
Required
GROUP_MAP ---- FOR ------------- *INPUT ----------------------------->
*OUTPUT
*BOTH
*NONE
>-- GROUP ----------- group_by --------------------------->
-----------------------------------------------------------------------
Optional
>-- DESC ------------ Description of routine ------------->
>-- HELP ------------ Help Text -------------------------->
>-- PARAMETER_NAME –- Alternative name-------------------->
