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Procedure documentationModeling A2A Interactions Locate this document in the navigation structure


Using A2A interactions you model the message exchange between two process components with the help of asynchronous and synchronous operations. SAP models accesses like these using interface patterns.


  1. Decide which interface pattern best suits your use case. Choose from the following interface patterns:

  2. 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 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.

    End of the example.