title: HOW: YouTube API to fire Javascript event when Start Playing
body: <p>I am using  method to embed YouTube Videos in my website.</p>
  
  <p><strong>I need to trigger a JavaScript function when a visitor sees my video.</strong></p>
  
  <p>Basically, my videos are tutorial based.
  And I want to trigger a Feedback form when the visitor sees the Video.</p>
  
  <p>I am not sure when and how to trigger the Event ??!!
  At the beginning of the video or at the end.</p>
  
  <p>Please help me out.</p>