public void Delete(int id)
        {
            var context = new DynamoDBContext(aws);

            List <ScanCondition> queryConditions = new List <ScanCondition>();

            queryConditions.Add(new ScanCondition("ID", ScanOperator.Equal, id));
            var queryResult = context.ScanAsync <ShoppingListModel>(queryConditions).GetRemainingAsync();
            ShoppingListModel shoppingList = queryResult.Result.First();

            context.DeleteAsync <ShoppingListModel>(shoppingList);
        }
        public void Insert(ShoppingListModel shoppingListModel)
        {
            var context = new DynamoDBContext(aws);

            context.SaveAsync <ShoppingListModel>(shoppingListModel).Wait();
        }