With the help of the service call function it is possible to call an existing function module from within a Web Dynpro component.
If you wish to use the service call to include an existing function module into your Web Dynpro application, you can access available function modules in the current system.
To simplify the creation process, you have an extensive wizard at your disposal. With the help of this wizard, all the required context elements are automatically generated in a controller you have selected. Also, the wizard automatically creates a method in this controller that calls the function modules and ensures parameter transfer. For more information, refer to the chapter Creating Service Calls.
For information on using service calls, refer to the chapter Using Service Calls.