What is CDS projection behavior definition in SAP BC-ESI-RAP - RESTful ABAP Programming Model?

SAP Term: CDS projection behavior definition

• Component: BC-ESI-RAP

• Component Name: RESTful ABAP Programming Model

• Description: CDS projection BDEF or projection BDEF for short. A CDS projection behavior definition is a CDS behavior definition of implementation type projection. It is based on a CDS projection view andrepresents a projection of a base behavior definition. It exposes a subset of the base BDEF's operations and characteristics. In addition, it can define specific new behavior, such as augmentation. 

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• Key Concepts: 
  CDS projection behavior definition is a feature of the BC-ESI-RAP RESTful ABAP Programming Model. It allows developers to define the behavior of a CDS projection when it is used in a RESTful service. This includes defining which fields should be included in the response, how the data should be sorted, and how the data should be filtered. 
  
  How to use it: 
  To use CDS projection behavior definition, developers must first create a CDS projection. This can be done using the ABAP Development Tools (ADT) in Eclipse. Once the CDS projection has been created, developers can then define its behavior by adding annotations to the projection. These annotations will determine how the data is filtered, sorted, and returned in the response. 
  
  Tips & Tricks: 
  When defining the behavior of a CDS projection, it is important to consider how the data will be used in the application. This will help ensure that only relevant data is returned in the response and that it is sorted and filtered in an efficient manner. 
  
  Related Information: 
  For more information on CDS projection behavior definition, please refer to SAP Help Portal documentation on BC-ESI-RAP RESTful ABAP Programming Model.