What is RAP data model extension in SAP (BC-ESI-RAP - RESTful ABAP Programming Model)?

SAP Term: RAP data model extension

• Component: BC-ESI-RAP

• Component Name: RESTful ABAP Programming Model

• Description: An append structure for DDIC database tables and a CDS entity extension to extend the data model of a RAP BO.

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• Key Concepts: 
  RAP data model extension is a component of the BC-ESI-RAP RESTful ABAP Programming Model. It is a set of APIs that allow developers to extend the existing data model of an SAP system. This extension allows developers to create custom objects and fields that can be used in their applications. 
  
  How to use it: 
  To use the RAP data model extension, developers must first create a custom object in the SAP system. This object will contain all the fields and data that will be used in the application. Once the object is created, developers can then use the APIs provided by the RAP data model extension to add additional fields and data to the object. 
  
  Tips & Tricks: 
  When creating custom objects with the RAP data model extension, it is important to ensure that all fields are properly defined and that all data is valid. This will help ensure that the application runs smoothly and without any errors. Additionally, it is important to keep track of any changes made to the object as this can help prevent any unexpected issues from occurring. 
  
  Related Information: 
  For more information on the RAP data model extension, please refer to SAP’s official documentation on the topic. Additionally, there are many online tutorials and resources available that can help developers get started with using this component of the BC-ESI-RAP RESTful ABAP Programming Model.