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The following example just adds two numbers. The only feature of this activity diagram being specific to SAP are the import and export parameters and the fact that is assigned to an operation of a <<SAPRFCModule>>   class. These properties make this activity diagram callable from SAP systems. The only constraints on such activity diagrams are that their interface is restricted to import, export, changing and tables parameters (see RFC Arguments Service).

 Figure: Implementation of SAP RFC operation

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Defining RFC input- and output arguments are the same as for clients and are explained in chapter RFC Arguments Service.

RFC Service Components

In order to build a Bridge SAP RFC Server, the following components must be defined:

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