IBM SC34-6814-04 - Manual (Page 147)

UEPQRCDE
Address of a 1-byte field indicating the result of the quiesce or
unquiesce. Possible values are:
UEQOK
Successful.
UEQREJEC
Rejected—see UEPQCONF for the reason code.
UEQUNKNO
Failed because data set not known to DFSMS as a VSAM
data set.
UEQIOERR
Failed because of RLS error or SMSVSAM server not
available.
UEQCANCL
Failed because quiesce was canceled by user (UEQSD and
UEIMQSD only).
UEQTIMED
Failed because quiesce was canceled due to timeout
(UEQSD and UEIMQSD only).
UEQMIGRT
Failed because the data set has been migrated.
UEPQCONF
Address of a 1-byte field indicating the reason why the quiesce or
unquiesce was rejected (for UEQREJEC only). Possible values are:
UEQUIINP
Quiesce is in progress (UEQSD and UEIMQSD status
only).
UEUNQINP
Unquiesce is in progress.
UENBWINP
Non-BWO copy is in progress.
UEBWOINP
BWO copy is in progress.
UEUNKINP
Unknown event is in progress.
Return codes
UERCNORM
Continue processing.
A return code of UERCPURG is not allowed.
XPI calls
All can be used.
API and SPI calls
You can use CICS API and SPI commands at this exit. In general, all
except EXEC CICS SHUTDOWN and EXEC CICS XCTL can be used, but
you must not use the QUIESCESTATE keyword of EXEC CICS SET
DSNAME.
Chapter 1. Global user exit programs 125