Unit 11

ABAP Preview – Video Lesson 11.3: SAP Menu Exit, Screen Exit and Field Exit

This lesson will show you how to create a SAP Menu Exit, a screen exit and a Field Exit.

Other Enhancement Types

  • Menu exit
    Some SAP menus contain entries prepared by SAP, which you can link to your own functionality (customer source code) and activate.
  • Screen exit
    Some screens contain SAP sub-screens areas in which you can integrate your own screens.
  • Field exit
    Customized input checks on SAP screen fields can always be implemented without modifications by means of field exits. This does not require any preparation by SAP.

Furthermore you can overwrite the field documentation and field labels of an SAP data element in the ABAP Dictionary:

  • Overwriting the field documentation
    You can replace the SAP field documentation that is displayed when the user presses F1 with your own texts.
  • Overwriting the field labels
    You can overwrite the different field labels of an SAP data element with your own texts.

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Video Lesson 11.4: SAP Append Structure – Table enhancement

This lesson will show you how to enhance SAP tables to include custom fields of your own.

Apart from the enhancement type already mentioned, there are also others, such as:

You can attach an append structure with the required additional fields to most transparent table. With that you can implement additional columns in the database table of SAP applications without modifications.

  • Source texts areas commented out by SAP

Some SAP programs contain source code areas that have been commented out. If recommended by SAP, you can remove the comments to obtain addtional functionality. Technically, however, this is a modification.

Video Lesson 11.2: SAP User Exits

Video Lesson 11.2: SAP User Exits

This lesson talks about the different SAP User Exits that you can implement to modify
and adapt your software to meet the client's requirements without modifying SAP Core.

User Exits

  • User exits (Function module exists) are exits developed by SAP.
  • The exit is implemented as a call to a function module.
  • The code for the function module is written by the developer.
  • You are not writing the code directly in the function module, but in the include that is implemented in the function module.

 

  • The naming standard of function modules for function module exits is:
  • EXIT_<program name><3 digit suffix>

 

  • The call to a function module exit is implemented as:
  • CALL CUSTOMER-FUNCTION <3 digit suffix>




Video Lesson 11.1: Adjusting The Sap Standard Software

Learn ABAP

Video Lesson 11.1: Adjusting The Sap Standard Software

This lesson provides an overview of the options for adjusting the SAP standard
software to fit your client's requirements.

Basic Terms and Options of SAP Software Adjustment

  • In the system in which it was developed, a Repository object is called original. In another system, in which the object arrives by means of transport, it only exists as a copy.
  • Usually, changes are only to be made to the original. These changes are then transposted to subsequent systems to change the corresponding copies. This ensures that Repository objects are consistent in all systems

Corrections and Repairs

  • Changing an original is called a correction. Corrections are made in development/correction type tasks.
  • In contrast, changes to a copy are called repair. Repairs are made in repair type tasks.
  • Repairing an SAP object in a customer system is also called modification.

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