Submit button how does it work in noninteractive forms

Hi ,

I read the below part in one of the articles on interactive forms . can anyone explain how this is done ....

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An interactive form can, in standalone, make a call to some web service. And as you may know, in the NetWeaver versions of SAP systems, every remote-enabled function module can be exposed as a web service!

The web service call logic is embedded in the Interactive Form you sent to your customer. When he clicks on 'Submit';, the web service is called, and your SAP backend is updated. Great!

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As per my understanding a RFC FM is created and it is configured in the SFP transaction.. is it correct ?