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You can maintain you own fields and tables for the premise. You do this in in the premise transactions ES60, ES61 and ES62, in a subscreen.
To use this subscreen, you must create and activate a screen as well as several function modules. The functions modules enter and verify your data. The system uses the enhancement function modules EXIT_SAPLES60_003 to EXIT_SAPLES60_010 to communicate with the premise transactions.
You can activate the following function modules. independently of the other components of the enhancements (meaning you require neither a CI Include nor a subscreen):
If you create your own coding for a function module, store it in the corresponding include-file. These are as follows:
Before you implement this enhancement, we recommend you familiarize yourself with the IS-U program model. You need this information to understand the program structure and the function modules. This knowledge also helps to implement your own coding.
You now have the following options: