public async Task <ResourceResponse <Document> > CreateListenerNotificationAsync(Models.Notification noti)
        {
            var collectionUri = _documentDbHelper.CreateListenerNotificationDocumentCollectionUri();

            var client = _databaseClient.CreateDocumentClient();

            if (client == null)
            {
                return(null);
            }

            var response = await client.CreateDocumentAsync(collectionUri, noti);

            return(response);
        }