What is composition tree in SAP BC-ESI-RAP - RESTful ABAP Programming Model?

SAP Term: composition tree

• Component: BC-ESI-RAP

• Component Name: RESTful ABAP Programming Model

• Description: Hierarchy of nodes in a business object’s structure where the nodes are linked by the composition relationship. Each node of a composition hierarchy has elements that are modeled in the ABAP RESTful programming model using CDS entities where the root is the top node in the business object's structure.

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• Key Concepts: 
  Composition tree is a concept used in the BC-ESI-RAP RESTful ABAP Programming Model. It is a hierarchical structure of nodes that represent the different components of an application. Each node contains information about the component it represents, such as its name, type, and properties. The composition tree is used to define the structure of an application and how its components interact with each other.
  
  How to use it: 
  The composition tree is used to define the structure of an application. It is composed of nodes that represent the different components of an application. Each node contains information about the component it represents, such as its name, type, and properties. The composition tree can be used to define how the components interact with each other and how they are connected.
  
  Tips & Tricks: 
  When creating a composition tree, it is important to consider how the components will interact with each other and how they will be connected. It is also important to consider how changes in one component will affect other components in the application. Additionally, it is important to consider how changes in one component will affect the performance of the application as a whole.
  
  Related Information: 
  The composition tree is part of the BC-ESI-RAP RESTful ABAP Programming Model. For more information on this model, please refer to SAP's official documentation on the topic. Additionally, there are many tutorials available online that provide step-by-step instructions on how to create a composition tree for an application.