Here’s the purpose of EIB fields in the CICS program. An application program can access all of the fields in the EIB by name.

Purpose of EIB Fields

• These fields help to know about the execution of an application program. Viz: transaction identifier, the time and date (initially when the task is started, and subsequently if updated by the application program using the ASKTIME), and the cursor position on a display device.
• These also contain information about a dump used for debugging a program.

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