title: How to pass dynamic value to a JSON String
body: <p>I have constructed a JSON String this way , but cannot able to pass dynamic values to it </p>
  
  <pre><code>String input = "{\r\n" + 
                      "    \"Level\": 0,\r\n" + 
                      "    \"Name\": \"String\",\r\n" + 
                      "    \"msgName\": \"String\",\r\n" + 
                      "    \"ActualMessage\": \"String\",\r\n" + 
                      "    \"TimeStamp\": \"/Date(-62135596800000-0000)/\"\r\n" + 
                      "}" ;
  
  String message = "this is value  want to pass to the ActualMessage attribute " ;
  
  I need to pass dynamic value to the ActaulMessage atribute 
  </code></pre>
  
  <p>Please tell me how ?</p>
  
  <p>i have tried number of trial and errors but couldn't able to succeed. </p>