title: JSON query string issue in LoadRunner
body: <p>I have simple JSON in LoadRunner.</p>
  
  <pre><code>{
      "type": "valid",
      "price": "low",
      "place": "newyork",
      "post": "valid"
  }
  </code></pre>
  
  <p>I want to set the name of <code>place</code> from  <code>"newyork"</code> to <code>"california"</code>. I have tried: </p>
  
  <pre><code>lr_json_set_values("JsonObject=json_obj",
  "Value=california",
  "QueryString=$.place",
  "SelectAll=Yes",
  LAST);
  </code></pre>
  
  <p>Please help me in resolving it.</p>