title: Sequence processing with Azure Function & Service Bus
body: <p>I have an issue with Azure Function Service Bus trigger.
  The issue is Azure function cannot wait a message done before process a new message. It process Parallel, it not wait 5s before get next message. But i need it process sequencecy (as image bellow).
  How can i do that?</p>
  
  <pre><code>[FunctionName("HttpStartSingle")]
      public static void Run(
   [ServiceBusTrigger("MyServiceBusQueue", Connection = "Connection")]string myQueueItem,
  [OrchestrationClient] DurableOrchestrationClient starter,
  ILogger log)
      {
          Console.WriteLine($"MessageId={myQueueItem}");
          Thread.Sleep(5000);
      }
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/zWbqR.png" rel="noreferrer"><img src="https://i.stack.imgur.com/zWbqR.png" alt="enter image description here"></a> </p>