Interface with external system

Hello Experts,
The query i am posting is very naive and mite seem vague to you but I am doing it for a sure shot methodological approach. My client have an vendor system that they want to interface. All the information I have is
1> I will get the XML schema frm the guys of that company.
2> XI is installed in my company.
Can you tell me wat all things i need to configure and how can i go about achieving this?
thanks and please advise me,
Mehta

Hi Gaurav,
you will have to provide more details like who is your sender, who is your receiver etc....
i would recommend that you go through the SAP help documentation and follow the pipeline steps.
http://help.sap.com/saphelp_nw04/helpdata/en/14/80243b4a66ae0ce10000000a11402f/frameset.htm
You will have to perform the basic steps to get your thing (XSD) into XI.
1. In the Integration Builder - Integration Repository; You take your XSD provided by the vendor and create an interface out of it. This depends whether your vendor is sending (Outbound Interface) or receiving (Inbound Interface) the data.
2. Then add this interface to your service in the configuration (Integration Directory).

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