What is RAP projected business object in SAP (BC-ESI-RAP - RESTful ABAP Programming Model)?

SAP Term: RAP projected business object

• Component: BC-ESI-RAP

• Component Name: RESTful ABAP Programming Model

• Description: A RAP business object that is used as a basis of a RAP projection BO. It can be of implementation type managed or unmanaged.

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• Key Concepts: 
  RAP projected business object is a component of the BC-ESI-RAP RESTful ABAP Programming Model. It is a type of business object that is used to represent an entity in the SAP system. It is used to define the structure of the data that will be exposed via a RESTful API. The projected business object contains the fields and their associated data types that will be exposed in the API. 
  
  How to use it: 
  The RAP projected business object is used to define the structure of the data that will be exposed via a RESTful API. It contains the fields and their associated data types that will be exposed in the API. To create a RAP projected business object, you must first create a business object in the SAP system and then use the RAP Modeler tool to project it into a RESTful API. 
  
  Tips & Tricks: 
  When creating a RAP projected business object, it is important to ensure that all of the fields and their associated data types are correctly defined. This will ensure that the data is correctly exposed via the RESTful API. Additionally, it is important to ensure that all of the fields are properly mapped to their corresponding database tables. 
  
  Related Information: 
  For more information on RAP projected business objects, please refer to SAP's documentation on BC-ESI-RAP RESTful ABAP Programming Model. Additionally, there are several tutorials available online which provide step-by-step instructions on how to create and use RAP projected business objects.