Operations with CICS-maintained data tables

CICS® loads a data table by copying each record from the source data set when the file is opened. A global user exit, XDTRD, can be invoked for each record before it is copied. The user-written exit program can reject records that are not to be copied. If you are using this user exit, you should ensure that the user exit is activated before the file is opened.

For information about writing user exits, see Customizing data tables using user exits. For information about activating user exits, see Activating user exits for data tables.

Related concepts
Customizing data tables using user exits
Activating user exits for data tablesCICS-maintained data tables
Application programming for CICS-maintained data tables
Resource definition for CICS-maintained data tables
User-maintained data tables
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