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