Is there any sample code to access the user's Facebook Profile details in iphone sdk?

I want to access my own account user details in facebook like Messages,friend requests,Notifications,my profile pic and my p开发者_运维技巧rofile details. Is there any sample code or any way to do so??

Anyone's help will be deeply appreciated.

Thanks to all, Monish.

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Nice introduction to the Facebook SDK, including sample code for iOS:
http://developers.facebook.com/docs/guides/mobile/