title: How to handle eventListener for iframe in html?
body: <p>I have added the iframe code in the Html code which is the default iframe tag of the Dialogflow WebDemo. When you go through the picture which I have uploaded that indicates that when the user types the message and presses enter then automatically it display other response. What I need is when the user presses the enter then I should write the function in the script.</p>
  
  <p><a href="https://i.stack.imgur.com/80DmH.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/80DmH.png" alt=""></a></p>
  
  <p>Here is the code of iframe tag in the HTML - </p>
  
  <pre><code>&lt;iframe allow="microphone;" id="myFrame" width="350" height="430" src="dialogflow_bot_link"&gt;&lt;/iframe&gt;
  </code></pre>