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You can maintain your own fields or tables for the contract. You do this in a subscreen in the contract transactions ES20, ES21, and ES22.
For this subscreen, you must create and activate a screen and some function modules. You use these function modules to enter and check your data.
The customer-specific program enhancement communicates with the contract transactions via the normalized enhancement function modules EXIT_SAPLES20_001 to EXIT_SAPLES20_010.
Note that the enhancement function modules for the contract are also processed during move-in.
From this group of function modules you can activate the following function modules, which are not dependent on the other components of the enhancement; in other words, you do not require a CI include. The subscreens must exist, but can be blank.
You store your own coding for each function module in the following include files:
|Function module||Include file|
Before you implement this enhancement, SAP recommends that you familiarize yourself with the development model for the Utilities Industry (IS-U) component. You require this information to understand the program structure and the function modules, and it will also assist you in implementing your own coding.
When adding your own data to the contract, you have the following options: