User Exits › EXIT Routine Programming Considerations › GCMCMDXT Exit › Return Code, Register 15:

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Return Code, Register 15:

0

This code indicates that this command should be processed as usual.

4

This code indicates that CA MIC should reject this command and issue message MIM3029 to notify the issuing console or TSO user that the command has been rejected.

8

This code indicates that CA MIC should reject this command but should not issue a message about the rejection.

Note: Upon return, you must restore all registers except 0, 1, and 15.