Get facebook user birthday and phone number

 let fbLoginManager : FBSDKLoginManager = FBSDKLoginManager()
        fbLoginManager.logInWithReadPermissions(["email"], fromViewController: self) { (result, error) -> Void in
            if (error == nil){

                let fbloginresult : FBSDKLoginManagerLoginResult = result
                if (fbloginresult.grantedPermissions != nil){

                    if(fbloginresult.grantedPermissions.contains("email"))
                    {
                        self.getFBUserData()
                    }
                }

            }

func getFBUserData(){
        if((FBSDKAccessToken.currentAccessToken()) != nil){
            FBSDKGraphRequest(graphPath: "me", parameters: ["fields": "id, name, first_name, last_name, picture.type(large), email, gender, user_birthday, phone"]).startWithCompletionHandler({ (connection, result, error) -> Void in
                if (error == nil){
                    //everything works print the user data
                    print(result)
                }
            })
        }
    }

I am trying to get facebook user profile details. i am not getting birthday date and phone when i try to access it How to change my code to get user's birthday date. any help will be appreciated.thanks in advance