question

LOGİN STAGE CS.

public class PlayfabAuth : MonoBehaviour
{
    public InputField Username;
    public InputField Password;
    public string LevelToload;
    //public GetPlayerCombinedInfoRequestParams info;
    //public int Gold = 0;
    //public Text GoldText;
    public void Login()
    {
       LoginWithPlayFabRequest request = new LoginWithPlayFabRequest();
        //request.InfoRequestParameters=info;
        request.Username = Username.text;
        request.Password = Password.text;
        PlayFabClientAPI.LoginWithPlayFab(request, result =>
        {
            //Gold = result.InfoResultPayload.UserVirtualCurrency["GD"];
          
           Alerts a = new Alerts();
            StartCoroutine(a.CreateNewAlert(Username.text + "You have logged in!"));
           SceneManager.LoadScene(LevelToload);
          
        }, error =>
        {
           Debug.LogError(error.ErrorMessage);
            {
                Alerts a = new Alerts();
                StartCoroutine(a.CreateNewAlert(error.ErrorMessage));
            }
        });

    }

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THIS IS OTHER SCENE CS. HOW TO COMBINE THE TWO



public class MPManager : MonoBehaviourPunCallbacks
{
    //public string LevelToload;
    public items[] items;
    //public InputField Username;
    //public InputField Password;
    public GameObject[] EnableOnLogin;
    public GameObject NewsPanel;
    public GameObject NewsView;
    public GetPlayerCombinedInfoRequestParams info;
    public Text GoldText;
    public int Gold = 0;
    public GameObject[] EnableObjectsOnConnect;
    public GameObject[] DislabeObjectsOnConnect;
   
    
    void Start()
    {
        PhotonNetwork.ConnectUsingSettings();
        LoginWithPlayFabRequest LoginRequest = new LoginWithPlayFabRequest();
        //LoginRequest.Username = Username.text;
        //LoginRequest.Password = Password.text;
        LoginRequest.InfoRequestParameters = info;
       PlayFabClientAPI.LoginWithPlayFab(LoginRequest, result =>
       {
            Gold = result.InfoResultPayload.UserVirtualCurrency["GD"];
          // Alerts a = new Alerts();
           //StartCoroutine(a.CreateNewAlert(Username.text + "You have logged in!"));
           //SceneManager.LoadScene(LevelToload);
       }, error => { Debug.LogError(error.ErrorMessage);{
              // Alerts a = new Alerts();
               //StartCoroutine(a.CreateNewAlert(error.ErrorMessage));
           } });
        foreach (GameObject obj in EnableOnLogin)
        {
            obj.SetActive(true);
        }