The username is usually displayed in the URL in your address bar. For example, if the URL is https://www.twitch.tv/shroud
, the username is shroud
.
You can find the video URL or channel name to add to Multiwatch. The video URL is structured like this: https://www.youtube.com/watch?v=mTH8yPp1Fr4
. The video ID for this stream is mTH8yPp1Fr4
.
To share your Multiwatch with friends, copy the link in the address bar and send it to them. When they open the link, they will see the same stream structure as you.