private static async Task ReadOrderItem() { using (CosmosClient cosmos_client = new CosmosClient(endpoint, accountkeys)) { Database db_conn = cosmos_client.GetDatabase(database); Container container_conn = db_conn.GetContainer(containername); PartitionKey pk = new PartitionKey("Miami"); string id = "9b464759-42d3-4a10-b55a-e1e46ef487e0"; ItemResponse <customer> response = await container_conn.ReadItemAsync <customer>(id, pk); customer customer_obj = response.Resource; Console.WriteLine($"Customer Id is {customer_obj.customerid}"); Console.WriteLine($"Customer name is {customer_obj.customername}"); Console.WriteLine($"Customer city is {customer_obj.city}"); foreach (Orders obj in customer_obj.order) { Console.WriteLine($"Order Id is {obj.orderid}"); Console.WriteLine($"Order Quantity is {obj.quantity}"); } } }