What is RAP BO augmentation in SAP (BC-ESI-RAP - RESTful ABAP Programming Model)?

SAP Term: RAP BO augmentation

• Component: BC-ESI-RAP

• Component Name: RESTful ABAP Programming Model

• Description: A RAP BO operation addition that must be implemented by an ABP handler method. Augmentation is defined in the projection behavior definition for RAP standard operations. The implementation is called when a modify request reaches the business object projection to add data to the request before it is passed to the corresponding handler of the projected business object.

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• Key Concepts: 
  RAP BO augmentation is a feature of the BC-ESI-RAP RESTful ABAP Programming Model. It allows developers to extend the existing Business Object (BO) layer of the RAP model with custom logic. This enables developers to create custom BOs that can be used in their applications. 
  
  How to use it: 
  To use RAP BO augmentation, developers must first create a custom BO class that extends the existing BO layer. This class must contain all the necessary logic and methods for the custom BO. Once the class is created, it can be registered in the RAP model and used in applications. 
  
  Tips & Tricks: 
  When creating a custom BO class, it is important to ensure that all necessary methods are included. This will ensure that the custom BO can be used in applications without any issues. Additionally, it is important to test the custom BO thoroughly before registering it in the RAP model. 
  
  Related Information: 
  For more information on RAP BO augmentation, please refer to the official SAP documentation on BC-ESI-RAP RESTful ABAP Programming Model. Additionally, there are many tutorials available online that provide step-by-step instructions on how to create and register a custom BO class in the RAP model.