BAdI

BAdI stands for Business Add-In in SAP. It’s an enhancement technique that allows you to add custom functionality to standard SAP programs without modifying the original source code. BAdIs act as hooks in the SAP standard programs, enabling you to insert custom logic at specific points during program execution.

Key aspects of SAP BAdIs include:

1. Integration Points: BAdIs provide predefined integration points within SAP applications where you can add custom code. These integration points are defined by SAP and are typically documented in the SAP system.
2. Enhancement Implementation: To implement a BAdI, you create an enhancement implementation that contains your custom code. This implementation is linked to the BAdI definition and is called by the SAP system at runtime.
3. Multiple Implementations: Unlike User Exits, which traditionally only allowed one modification, BAdIs support multiple implementations. This means that multiple custom implementations can be active simultaneously, and you can control the sequence in which they are executed.
4. Filtering Options: Some BAdIs provide filtering options, allowing you to control when your custom code is executed based on certain conditions. This provides flexibility in determining the scope and context in which your enhancements are applied.
5. Release Independence: BAdIs are designed to be release-independent, meaning that your custom enhancements should continue to work even after upgrading to newer versions of SAP software.
6. Standardization: BAdIs are part of SAP’s standardized enhancement framework, providing a consistent approach for extending SAP functionality across different applications and modules.

Overall, BAdIs are a powerful tool for customizing SAP applications to meet specific business requirements while minimizing the impact on standard SAP code. They allow for greater flexibility, maintainability, and upgradeability compared to traditional modification techniques.