Call a RFC or BAPI in SAP R/3

Hi,
Please give your replies.
I written a RFC function module in SAPR/3 , my requirement is that RFC to be called from SAPXI.
This RFC will update some SAP transactions and return back the document number back
Whether it is possible?
aRs

Hai,
my requirement is that RFC to be called from SAPXI.
at design time you have to import RFC module into imported bjects
Select Message Interface as Synchronous Type
and do rest of the things like mapping...
At configuration
Under communication channel select adapter type as RFC adapter and receiver.
and pass the SAP R/3 details
thanks & regards
harsha
*********Reward points if found useful*********

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This changes are moved/transported to Quality environment in both XI and SAP side. But we are getting the following error in Quality system:
<SAP:Error xmlns:SAP="http://sap.com/xi/XI/Message/30" xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/" SOAP:mustUnderstand="1">
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<SAP:Code area="MESSAGE">GENERAL</SAP:Code>
<SAP:P1 />
<SAP:P2 />
<SAP:P3 />
<SAP:P4 />
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http://www.topxml.com/sap/sap_idoc_xml.asp
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Please look at the following threads as well ->
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BAPI's /RFC's in SRM
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SRM60 and webdynpro...
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META_REQUISITION_GETRELINFO Get Releasease Info for requisitions
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Call a RFC or BAPI in SAP R/3

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