Exit Overview

Table 1 lists the IBM-defined exits that JES XCF provides. Each is fully discussed in Coding the JES XCF exits. Also, a sample of each exit is provided in SYS1.SAMPLIB, members IXZEX01A, IXZEX02A, and IXZEX03A, respectively.

Table 1. JES Common Coupling Services Exits
Exit	Purpose
IXZXIT01 - Transport Exit	View, modify, reroute a message or acknowledgement before the message arrives at the receiving member's mailbox.
IXZXIT02 - Receive Exit	View or modify a message before it is retrieved from a mailbox.
IXZXIT03 - Attach/Detach Exit	Obtain a storage area during JES attach processing for use by exits IXZXIT01 and IXZXIT02, or free that storage during JES detach processing. Attach to or detach from an installation-defined JES XCF group.