This exit allows you to process each JES2 initialization statement before JES2 processes the statement. You can use your exit routine to do any of the following functions:

• check or analyze each initialization statement.
• alter values supplied on an initialization statement.
• implement your own initialization statements.
• modify, replace, delete, or insert statements in the initialization statement stream.
• terminate JES2 initialization.
• tailor the initialization statement stream to provide for specific requirements of this start of JES2 (e.g., add or delete parameters based on the period within administrative cycles or the operator shift).