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Customizing the Exit

TCP/IP Direct Connect CICS servers run as CICS non-terminal tasks started using the CICS START command with the USERID option. This USERID option specifies the userid sent by the client application. However, TCP/IP Direct Connect CICS servers can be started as CICS terminal tasks by using CICS START command with the TERMID option when a value for a terminal is provided in the Server Termid parameter of the CICS Sockets Server Listener Exit TIRSLEXT. The userid and termid are mutually exclusive options of the CICS START command and these applications run under the userid provided by CICS to TISRVLIS Listener.

This exit provides the opportunity for servers designed with knowledge of where to obtain the client security data to be able to obtain and use this data.

The exit is intended to use the SGN-USERID. The server will not pick up any changes to its value.