Telegram | youtube link doesn't work?

Ok the case is i have integrated with telegram and im using ngrok for now

This is one of the utterance in domain

  utter_send_video:
  - custom:
      video: "https://www.learningcontainer.com/wp-content/uploads/2020/05/sample-mp4-file.mp4"

Telegram actually allow this and able to send a video

Now i want to change the video to https://www.youtube.com/watch?v=dQw4w9WgXcQ (This is an example link), but it doesn’t work.

How do i solve this problem? what format does telegram accept for video or file pdf,docs and pptx?