title: How to respond with pre recorded audio in Dialogflow CX?
body: <p>In fulfillment option in Dialogflow CX, I am adding a &quot;play pre recorded audio&quot; in Add dialog option and it requires a link of an audio. I have provided it links of different formats but it is not working.</p>
  <p>Can you help me with the hosting service for that audio and the format of link? I am using Firebase right now</p>