IBM SC34-6814-04 - Manual (Page 172)

UEPDATE
Address of a fullword copy of the EIB date value, EIBDATE.
UEPTIME
Address of a fullword copy of the EIB time value, EIBTIME.
UEP_IC_REMOTE_SYSTEM
If the request is to be sent to a remote region, is the address of an
area containing the 4-byte name of the remote region. (The remote
region may have been specified by, for example, the SYSID option
of the START command, work-load management, or the
REMOTESYSTEM option of the TRANSACTION definition.)
If the request is to be executed on the local region, this parameter
is the address of a 4-byte area containing blanks.
UEP_IC_REMOTE_NAME
If the transaction is to be executed in a remote system, is the
address of an area containing the name of the transaction, as it is
known in the remote system.
The remote system may be another CICS region, or an IMS
system. If UEP_IC_REMOTE_SYSTEM names a CICS region, the
name is 1 through 4 characters long. If
UEP_IC_REMOTE_SYSTEM names an IMS system, the name is 1
through 8 characters long. IMS uses 8-character names: if
UEP_IC_REMOTE_NAME has fewer than 8 characters, IMS
translates it into a useable format.
Return codes
UERCNORM
Continue processing.
UERCPURG
Task purged during XPI call.
XPI calls
All can be used.
Although the exit permits the use of XPI GETMAIN and FREEMAIN calls,
you are recommended to use the EXEC CICS GETMAIN and FREEMAIN
commands instead.
API and SPI commands
All can be used, except for:
EXEC CICS SHUTDOWN
EXEC CICS XCTL
Note: Take care when issuing recursive commands. For example, you must avoid
entering a loop when issuing an interval control request from the XICEREQC
exit. Use of the recursion counter UEPRECUR is recommended.
The command-level parameter structure
150 Customization Guide