I have a scenario which i have to do the following things, there are two systems one is sap based. The sap based system is sending some documents(return document) to third party system, after picking up return document and processing it, the third party have to send a confirmation on the it and the necessary details will be stored in a 'Z' table in sap. here the third party is sending xml file(mustbe stored in third party server or Xi server) and sap is using RFC adapter.
i am verry new to sap and i have no idea about RFC, updating the data to 'Z' table, configuration in sld, ir, id. here we are using BPM for this scenario. can youu please provide guidelines for doing this scenario.