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)); }