FBSDK get facebook usr info function in swift

FBSDK getFacebookInfo example Swift

    
    func getFBUserInfo() {
        let facebookRequest = FBSDKGraphRequest(graphPath: "me", parameters: ["fields": "name, gender, picture, birthday, first_name, last_name"])
        
        facebookRequest.startWithCompletionHandler { (connection: FBSDKGraphRequestConnection!, result, error) -> Void in
            
            if error == nil {
                print ("result: \(result)")
                
                var r = result as! NSDictionary
                let firstName = r["first_name"]
                let gender = r["gender"]
                
                var dateFormatter = NSDateFormatter()
                dateFormatter.dateFormat = "MM/dd/yyyy"
                let birthday = dateFormatter.dateFromString(r["birthday"]! as! String)
                
                let facebookID = r["id"]!
                print ("facebookID: \(facebookID)")
                
                let urlString = "https://graph.facebook.com/\(facebookID)/picture?type=large"
                
                // get the URL of a larger picture
                let largerPicURL = NSURL(string: urlString)
                print (largerPicURL)
                let request = NSURLRequest(URL: largerPicURL!)

                NSURLConnection.sendAsynchronousRequest(request, queue: NSOperationQueue.mainQueue(), completionHandler: {
                    response, data, error in
                    
                    // TODO: save largerPic to DB
                    
                    
                    
                })
            }
                
            else { // facebookRequest.startWithCompletionHandler
                print (error)
            }
        }
    }