Return codes

You can pass a return code back to the single-record, read-write process in the RWXP control block (offset +8). The exit can use the return code to reject records or to end the single record read-write process. These values are valid decimal return codes:
Return Code
Description
0
Process the current CKDS record.
4
Do not process the current CKDS record.
8
End processing.