public async Task <IEnumerable <ItemResponse> > GetItems(string id, string key) { if (_loadTableSuccess) { var filter = new QueryFilter("id", QueryOperator.Equal, id); filter.AddCondition("key", QueryOperator.BeginsWith, key); var documentResponse = await _table.Query(filter).GetRemainingAsync(); // TO DO: Use Extention Method // Modify mapper functions as extension methods var queryResponse = _map.ToItemResponse(documentResponse); return(queryResponse); } return(null); }