JCO3 Server: How to invoke a RFC callback to client

Dear Community,
i have created a working jcoserver program.
Now this program needs additional information from client (in this case a sap-system).
In classic RFC Lib and in Netweaver RFC SDK i can find some samples how to do this.
Look here:
http://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/5070f62a-6acd-2c10-8cb5-858ef06adbb9?QuickLink=index&…
Page 10-12 and Page 16 contain information how to do this.
But i can't find anywhere an example for JCO3 or a documentation.
Is someone able to point me into the right direction or has a working code-snipplet?
Kind Regards,
Tom

Hi Markus,
oh, that is to easy, As i'm converting from Classic-C such easy ways are simply overlooked.
Correct code is then:
//JcoFunctionTemplate "temp" is initialized before
JCoFunction func = temp.getFunction();
func.execute ( JCoDestinationManager.getDestination ( "BACK" ) );
right?
Thank's a lot Markus, you helped me very much!
Is there any documentation where one can find out about such build ins ?
Not only related to JCO, similar for build in rfc function in server programs like RFC_DOCU and so on ?
Best regards,
Tom

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