Event AA: Instead of the Standard Data Read Routine
Use
This event occurs when the data to be maintained is read in. A different logic from the standard can run, for example:

The views or table/text table data must are read in to the
Realization
The generated read routines can be used or be a template for the realization of the individual routine:
To read in additional data for example, you can first call the standard routine and then read the additional data into your own internal tables.