Using A2A interactions you model the message exchange between two process components with the help of asynchronous and synchronous operations. SAP accesses models like these using interface patterns.
Procedure
Decide which interface pattern best suits your use case. Choose from the following interface patterns:
Use the interface pattern to set the names of the operations and service interfaces. Use spaces between the parts of the name to make the names more legible in the modeling.
Example
The standardized name of a service interface of the interface pattern request confirmation is
Request <X> Cancellation. The space disappears if you later create the specified service interface for this modeled service interface. The specified service interface
in the ES Repository would also be called
Request<X>Cancellation.