JRPRE Preliminary Command before a CALL to a DO Procedure
JRPRE cmd If a DO procedure is being executed in Enter mode under control of the Job Report System, a BS2000 command can be defined using JRPRE which will be executed in the Enter job before the CALL-PROC command is issued.
Standard: No additional command will be executed before the CALL-PROC command is issued to the DO procedure.