What is business object projection in SAP BC-ESI-RAP - RESTful ABAP Programming Model?

SAP Term: business object projection

• Component: BC-ESI-RAP

• Component Name: RESTful ABAP Programming Model

• Description: A subset of a business object data model and/or business object behavior. The business object that is designed for general purpose can be restricted for a certain context in a BO projection. One of the most prominent examples is the "Business Partner" that is projected as "Customer", "Supplier", or "Vendor".

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• Key Concepts: 
  Business Object Projection is a feature of the BC-ESI-RAP RESTful ABAP Programming Model. It allows developers to create a projection of a business object, which is a simplified representation of the object that can be used in an application. The projection contains only the fields and methods that are needed for the application, and it can be used to access the data in the business object without having to write complex code.
  
  How to use it: 
  To use Business Object Projection, developers must first create a projection of the business object they want to use. This can be done using the ABAP Development Tools (ADT) or by using the Business Object Builder (BOB). Once the projection has been created, it can be used in an application by calling the methods and accessing the fields in the projection.
  
  Tips & Tricks: 
  When creating a projection, it is important to only include the fields and methods that are necessary for the application. This will help keep the code clean and efficient. Additionally, it is important to keep in mind that projections are not persistent, so any changes made to them will not be saved.
  
  Related Information: 
  For more information on Business Object Projection, please refer to SAP Help Portal or contact your local SAP representative. Additionally, there are many tutorials available online that provide step-by-step instructions on how to create and use projections.