A business object in the ABAP RESTful Programming Model provides following functions:
- A data model that defines the data structure explicitly (such as relations between datasets, data semantics, and their restrictions).
- The behavior of the data model, consisting of:
- The lifecycle of the data (such as create, update, and delete)
- Further operations performed on data (such as actions)
- Transactional properties of the data model (such as the implementation type).
The formal structure of a business object consists of a tree of entities joined by associations. The ABAP RESTful Programming Model uses ABAP CDS to define the data model for business objects. Each business object contains a top node (the leading entity) known as the root entity.
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