public void GetMaxFileSize()
    {
        ITask <int> detailSizeTask = saveGameManager.GetMaxFileSize();;

        detailSizeTask.AddOnSuccessListener((result) =>
        {
            Debug.Log("[HMSP:] GetMaxFileSize Success " + result);
            fileSize.text = string.Format(MAX_FILE_SIZE, result);
        }).AddOnFailureListener((exception) =>
        {
            Debug.Log("[HMSP:] GetMaxFileSize Failed");
        });
    }