Allow customers to enhance their application functions.
SAP preplans customer exits, they are inactive when
delivered and the customer completes and active them.
the interface between SAP and customer is clearly defined. Customers do
not need in-depth knowledge of how to implement SAP applications.
customers do not need ajust enhancements during an upgrade.
USE: SAP enhancements
exists, menu exits
and screen exits.
DEFINITION: allow customers to implement additional logic in application
functions. SAP defines where in the program the module exits are inserted and
what kind of data the program module exits can transfer. SAP also creates function
modules for an exit witch are complete with short text, interface, and
documentation. you have to write the source code for the function modules if need
you also create your screens, text elements and includes. the exit function module
is called at a predefined point in the source code. Îts SAP you defines this points.
DEFINITION: allow you to attach your functions to menu options in SAP
menus. To provide menu exits, SAP supply the GUI with function codes
that begins with plus (+). they are inactive until you activate them. Them
react either to a program exit or a predefined function.
allow you to use reserved sections of main screen,
called subscreen areas. when you can display additional
information or input data. they are initial inactive.