fbPublicData

 func getFBProfilePicUrl(){
        let request = FBSDKGraphRequest(graphPath: "me", parameters: ["fields": "id, name, first_name, last_name, email, picture.type(large)"])
        let _ = request?.start(completionHandler: { (connection, result, error) in
            guard let userInfo = result as? [String: Any] else { return }
            if let id = userInfo["id"] as? String {
                 appScopedUserId = id
            }
        })
    }