This is an introduction to Power Virtual Agents video.
Here's my QnA maker which I mentioned n this video
https://www.youtube.com/watch?v=5MJQNJGbeKs

In addition, here are some other videos regarding Power Virtual Agents I recommend watching:
Other friendly videos to watch:
a. Watched the video on Engage Customers with Microsoft’s Power Virtual agents https://www.youtube.com/watch?v=J5i7h4Uzju4
b. 2019 Ignite video with the TruGreen demo- https://www.youtube.com/watch?v=0ZEncEXdDF4
c. Learn to configure a virtual agent with Power Virtual Agent in minutes, not days. https://myignite.techcommunity.microsoft.com/sessions/87489?source=SessionDeck