Customer Exits

Vitor Moreira
Mind Map by Vitor Moreira, updated more than 1 year ago
Vitor Moreira
Created by Vitor Moreira over 6 years ago
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Customer Exits
  1. Enhancement Projects
    1. Application enhancements
      1. Allow customers to enhance their application functions. SAP preplans customer exits, they are inactive when delivered and the customer completes and active them.
        1. 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.
        2. USE: SAP enhancements
          1. made up component parts
            1. Include: Program exists, menu exits and screen exits.
              1. Program Exits
                1. 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.
                  1. STATEMENT: CALL CUSTOMER-FUNCTION
                2. Menu Exits
                  1. 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.
                    1. STATEMENT: CALL CUSTOMER-FUNCTION
                  2. Screen Exits
                    1. 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.
                      1. STATEMENT: CALL CUSTOMER-SUBSCREEN
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