public HttpResponseMessage getCustomerNoticationData(int customerId, int capacity)
        {
            NotificationProvider notificationProvider = new NotificationProvider();
            ErrorModel           errorModel           = null;
            var data = notificationProvider.getNotificationsDataCustomer(customerId, capacity, out errorModel);
            APIResponseModel aPIResponseModel = new APIResponseModel();

            aPIResponseModel.Response = data;
            aPIResponseModel.Error    = errorModel;
            return(Request.CreateResponse(HttpStatusCode.OK, aPIResponseModel));
        }