The installation data parameter list gives your ESM exit programs access
to the following information:
- CICS security event being processed
- Details of the current CICS environment, as available
- APPLID of the CICS region
- Common work area
- Transaction being invoked
- Program being executed
- CICS terminal identifier
- VTAM® LUname
- Terminal user area
- An 8-byte communication area, whose usage is described in the CICS® Customization Guide.
For programming information about user-written ESMs, see the CICS Customization Guide.