SignUpViewController

let graphRequest = FBSDKGraphRequest(graphPath: "me", parameters: ["fields": "id, name, gender, email"])
        graphRequest.startWithCompletionHandler ({ connection, result, error in
            if error != nil {
                //onError()
                print(error)
                return
            } else {
                     let fbResult = result as! Dictionary<String, AnyObject>
                     print("FbResult \(fbResult)")

                    }
        })