Operations › Writing a User Exit Module--CUVUSRXA

Writing a User Exit Module--CUVUSRXA

The copy book contained in sample JCL library member:

• For Assembler--CUVUSRXA (z/OS) , or CUVUSRXA.S (z/VSE)
• For COBOL--CUVUSRXC (z/OS), or CUVUSRXC.S (z/VSE)

Describes the input parameters that will be passed to a user exit module that you provide. This exit module is called by the Database Extract Component when:

• CA IDMS Extractor walking the source database looking for records to extract, and
• A record meets its Record Level Selection Criteria.

You can change the record data, add or delete fields to/from the record data, or prevent the record from being written to the file.