public static async Task SendFeedback(int _Rating, int _Event, OnCommunicationSuccess _OnSuccess)
        {
            string HData = JsonConvert.SerializeObject(new FeedbackObject()
            {
                RATING = _Rating, EVENT_IDENT = _Event, USER_IDENT = FileService.GetStorageValue(Constants.STORAGE_KEY_USER).ToString()
            });

            CallServer(EMessageTypes.MSG_SEND_FEEDBACK, HData, _OnSuccess);
        }
        public static void LoadSingleEvent(int _EventIdent, OnCommunicationSuccess _OnSuccess)
        {
            string HData = JsonConvert.SerializeObject(new PersonalTimelineObject()
            {
                IDENT = CrossDeviceInfo.Current.Id, EVENT_IDENT = _EventIdent
            });

            CallServer(EMessageTypes.MSG_LOAD_SINGLE_EVENT, HData, _OnSuccess);
        }
        public static async Task ReserveEvent(int _Ident, OnCommunicationSuccess _OnSuccess)
        {
            string HData = JsonConvert.SerializeObject(new ReserveObject(_Ident, FileService.GetStorageValue(Constants.STORAGE_KEY_USER).ToString()));

            CallServer(EMessageTypes.MSG_SEND_RESERVATION, HData, _OnSuccess);
        }