IBM SC34-6814-04 - Manual (Page 281)

Exit-specific parameters
UEPISDATA
Address of the 78-byte area containing the information listed below.
This area is mapped by the DSECT in copybook DFHXIQDS.
Area addressed by UEPISDATA:
UEPREQ
A 2-byte origin-of-request code, which can have the
following value:
FS Function shipping (includes distributed program
link.)
UEPIPCNM
The 8-byte name of the IPCONN.
UEPREQTR
The 4-byte identifier of the requesting transaction.
UEPFLAG
A 1-byte flag indicating whether a return code 8 was issued
the last time the exit was invoked.
UEPRC8
The exit program returned control to CICS on the
previous invocation with return code 8.
UEPFSPL
Address of the 10-byte parameter list for the DPL request.
UEPCONST
Address of the 504-byte IPCONN statistics record (this can
be mapped using DSECT DFHISRDS).
UEPEMXQT
A halfword binary field containing the maximum queuing
time specified for the IPCONN (the value of MAXQTIME on
the IPCONN resource definition).
UEPSAQTS
A double-word binary field containing the time stamp from
the installed IPCONN resource definition, indicating the time
the queue of allocate requests was started.
UEPSACNT
A half-word binary field containing the number of allocate
requests processed since the queue was started (see
UEPSAQTS for the start time).
UEPSARC8
A half-word binary field containing the number of sessions
freed since the queue was last purged as the result of an
UEPCAKLL return code.
UEPQUELM
A half-word binary field containing the queue limit specified
for this IPCONN (from the QUEUELIMIT option of the
IPCONN definition).
Return codes
In the case of an allocate that is about to be queued, use one of the
following:
Chapter 1. Global user exit programs 259