You can import Remote Function Call (RFC) modules from the ABAP back-end system and use them in your project.
Configuring Connectivity to Back-End System
Before importing the RFC, you have to configure the connection to the back-end system.
Importing RFC Modules using Search Console
You can directly drag and drop the RFC you need using the Search Console. For more information about the search capabilities you can use in the Search Console, see Searching for RFC Function Modules .
Importing RFC Modules in Composed Service or Business Process
To retrieve a list of all available functions, leave the Function Name and Function Group fields empty, and directly choose Search pushbutton.
To see the working set with the modules you have already chosen, choose with the quick info text Show Working Set.
To switch between flat and application component hierarchy views, choose either with the quick info text Show Flat List or with the quick info text Show Component Hierarchy.
Importing RFC Modules in CAF Projects
For CAF project, you can also use the Search Console, or directly trigger the import fro the context menu. In addition, for CAF projects, you can define different name for the destination package of the imported RFC module, or to define RFC destination names to be used at runtime. To do that:
You reuse types you have already imported into the existing packages.