Remote config

using System.Collections;
using System.Collections.Generic;
using System.Threading.Tasks;
using Unity.Services.RemoteConfig;
using Unity.Services.Authentication;
using Unity.Services.Core;
using UnityEngine;
using UnityEngine.SceneManagement;

public class remoteconfig : MonoBehaviour
{
    public static remoteconfig Instance { get; private set; }
    public struct userAttributes { }
    public struct appAttributes { }
    public bool isMaintenance = false;
    public int test = 1;

    async Task InitializeRemoteConfigAsync()
    {
        await UnityServices.InitializeAsync();

        if (!AuthenticationService.Instance.IsSignedIn)
        {
            await AuthenticationService.Instance.SignInAnonymouslyAsync();
        }
    }

    void Awake()
    {
        if (Instance == null)
        {
            Instance = this;
        }
        else
        {
            Destroy(gameObject);
        }
    }
    async void Start()
    {

        if (Utilities.CheckForInternetConnection())
        {
            await InitializeRemoteConfigAsync();
        }
        RemoteConfigService.Instance.FetchConfigs<userAttributes, appAttributes>(new userAttributes(), new appAttributes() { });
        RemoteConfigService.Instance.SetEnvironmentID("");
        RemoteConfigService.Instance.FetchCompleted += setMaintenance;
    }

    void setMaintenance(ConfigResponse configResponse)
    {
        switch (configResponse.requestOrigin)
        {
            case ConfigOrigin.Default:
                //Debug.Log("No settings loaded this session; using default values.");
                break;
            case ConfigOrigin.Cached:
                //Debug.Log("No settings loaded this session; using cached values from a previous session.");
                break;
            case ConfigOrigin.Remote:
                //Debug.Log("New settings loaded this session; update values accordingly.");
                isMaintenance = RemoteConfigService.Instance.appConfig.GetBool("maintenance");
                test = RemoteConfigService.Instance.appConfig.GetInt("test");
                //Debug.Log(test);
                Scene currentScene = SceneManager.GetActiveScene();
                string sceneName = currentScene.name;
                //Debug.Log(sceneName);
                if (isMaintenance == true && sceneName != "Maintenance")
                {
                    SceneManager.LoadScene("Maintenance");
                }
                else if (isMaintenance == false && sceneName == "Maintenance")
                {
                    SceneManager.LoadScene("Menu");
                }
                break;
        }
    }
    private void Update()
    {
        RemoteConfigService.Instance.FetchConfigs<userAttributes, appAttributes>(new userAttributes(), new appAttributes() { });
        RemoteConfigService.Instance.SetEnvironmentID("");
        RemoteConfigService.Instance.FetchCompleted += setMaintenance;
    }
    /*private void OnDestroy()
    {
        RemoteConfigService.Instance.FetchCompleted -= setMaintenance;
    }*/
}