AlertManager.Awake C# (CSharp) Method

    void Awake()
    {
        if (_instance == null)
        {
            _instance = this;
            DontDestroyOnLoad(this);
        }
        else
        {
            if (this != _instance)
                Destroy(this.gameObject);
        }
        mCanvasRect = GetComponent<RectTransform>();

        prefab.CreatePool();
    }