To get notifications from a YouTube channel, simply go to the YouTuber's channel and input either the ID or the Username in their respective field of the followings:
- Youtube Channel ID
- Youtube Channel Username
If your channel looks like this
youtube.com/user/h3h3Productionsthen you would go into the username line and type in h3h3Productions. If your channel looks like this
youtube.com/channel/UCt-ERbX-2yA6cAqfdKOlUwQthen you would go into the ID line and type in UCt-ERbX-2yA6cAqfdKOlUwQ.
You can change the channel that the notifications are posted to via the dropdown menu.
You can also mention everyone by clicking the checkbox under the dropdown menu that says Mention everyone.