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SAP ABAP Enhancements | ABAP | Classic BADI| Kernel BADI

Business Add-Ins are a new SAP enhancement technique based on ABAP Objects

They can be inserted into the SAP System to accommodate user requirements too specific to be included in the standard delivery

Business Add-Ins should be considered generalized Business Transaction Events that can be used to bundle program, menu and screen enhancements into a single add-in
Uses Object oriented approach
Two parts - Definition and its Implementation - definition can either be SAP provided or user may also create it
No longer assumes a two-system infrastructure (SAP and customers)
Allows multiple levels of software development (by SAP, partners, and customers, and as country versions, industry solutions, and the like)
Can have multiple representations - specific one will be executed based on some criteria (filter)
Release upgrades do not affect enhancement calls from within the standard software nor do they affect the validity of call interfaces
No SSCR (SAP Software Change Registration) required


Each Business Add-In has:

at least one Business Add-In definition
a Business Add-In interface
a Business Add-In class that implements the interface

In User Exits, an application programmer predefines exit points in a source that allow specific industry sectors, partners, and customers to attach additional software to standard SAP source code without having to modify the original object.
The users of Business Add-Ins can customize the logic they need or use a standard logic if one is available. They can be inserted into the SAP System to accommodate user requirements too specific to be included in the standard delivery.