How Composite Application Framework Application Service Methods Behave in Web Dynpro
Application services contain the business logic of the application and provide an interface to other services within the framework. Sometimes when the life cycle methods of Entity Services do not fulfill our business logic requirement, Custom methods of Application Services help us to implement our custom business logic. But these Custom methods of Application Service have also some limitations and Constraints. Declared input and output parameters of these methods in Composite Application Framework (CAF) basically affect their behavior in Web Dynpro.