title: How to invoke an intent through a custom event by calling it from the dialogflow's inline fulfillment code?
body: <p>Here is the image link of my problem statement better explained through a flow. 
  <a href="https://i.stack.imgur.com/SvGOJ.png" rel="nofollow noreferrer">problem statement flow</a>
  I couldn't understand How this can be achieved. 
  Just starting with web-hooks and dialog flow. </p>
  
  <p>Thanks in advance</p>