|Short Text||User screen on entry sheet tabstrip|
These are the components of customer exit SRVEUSCR.
Function module exits are called from SAP programs at defined points with the ABAP
CALL CUSTOMER-FUNCTION <nnn>.
Screen area exists allow the addition of custom UI elements in a predefined place in SAP programs. In business objects, this is often on a "customer enhancement" tab. They usually come with two function module exits to include PBO and PAI logic.
With table includes, additional data fields can be added to business objects. They are needed if data entered on a user screen should be saved to the database.