|Short Text||Limit Management: Additional Fileds for Limit Maintenance|
These are the components of customer exit LTBLX003.
Function module exits are called from SAP programs at defined points with the ABAP
CALL CUSTOMER-FUNCTION <nnn>.
With custom function codes, it's possible to add functionality to SAP screens. It can be triggered with the respective function code. The custom logic must be added in a corresponding function module exit, to which the triggered function is passed as a parameter.
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.