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You can maintain your own fields and table for the loyalty account. You maintain these fields and table in a subscreen of the loyalty transactions ECRD1, ECRD2, and ECRD3.
To use this subscreen, you must create and activate a screen and several function modules. The function modules enter and check your data. The enhancement function modules EXIT_SAPLEREDEM_003 to EXIT_SAPLEREDEM_010 communicate with the loyalty program transactions.
Using these function modules you can activate the following (independently of the other enhancment components, meaning you do not require a CI include or an additional subscreen):
In the following include files you can store your own ocding for each function module:
|Function Module||Include File|
Before you implement this enhancement, familiarize yourself with the programming module used in the IS-U system.
You can add your own data to the loyalty account to one of the following ways: