Using XML to program game levels in Cocoa

Im making a fairly big game for Mac appstore, and i would like to control my levels using XML. Basically I just need to be able t开发者_如何学编程o read co-ordinates out of the XML document and into cocoa, where I can use them to move objects for each level. How do i parse this file in cocoa?

Thanks for your help

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NSXML should have everything you need to get started.