title: How can I add one more property using c# into existing json object inside Azure Functions?
body: <p>Inside the <code>Azure function</code> my <code>input is ServiceBus queue properties</code></p>
  
  <p>Code is to retrieve that all properties are - </p>
  
  <pre><code>using System.Net;
  using Newtonsoft.Json;
  
  public static async Task&lt;HttpResponseMessage&gt; Run(HttpRequestMessage req, TraceWriter log)
  {
  
   string jsonContent = await req.Content.ReadAsStringAsync();
  
      return req.CreateResponse(HttpStatusCode.OK,jsonContent);
  }
  </code></pre>
  
  <p>Output is -</p>
  
  <pre><code>[
      "{\"DeliveryCount\":\"1\",\MessageId\":\"bac52de2d23a487a9ed388f7313d93e5\"}"
  ]
  </code></pre>
  
  <p>I want to add one more property into this json object , how can I add it here in azure function so that I can return modified object like below - </p>
  
  <pre><code>[
      "{\"DeliveryCount\":\"1\",\MessageId\":\"bac52de2d23a487a9ed388f7313d93e5\",\"MyProperty\":\"TEST\"}"
  ]
  </code></pre>