objective c - Parse.com for iOS : How to make Facebook open-graph calls? -

i have integrated parsefacebookutilsv4 in projet. used facebook login :

let permissions = ["public_profile", "email", "user_friends"]  pffacebookutils.logininbackgroundwithreadpermissions(permissions) {     (user: pfuser?, error: nserror?) -> void in     if let user = user {         if user.isnew {             println("user signed , logged in through facebook!")         } else {             println("user logged in through facebook!")         }     } else {         println("uh oh. user cancelled facebook login.")     } } 

now want make open-graph calls. how ?

extract token:

nsstring *token = [[pffacebookutils session] accesstoken]; 

and can use token make open graph calls via facebook sdk