Each YouTube channel has a unique user ID and channel ID. These are used to refer to the channel in certain apps and services.
Find your channel ID
You can see your channel IDs in your advanced account settings.
Sign in to YouTube.
In the top right, click your profile picture and then Settings.
From the left Menu, select Advanced settings.
You’ll see your channel IDs.
Copy and then paste it in the YouTube field of your social counter notification .