EventSub Tags
Channel Follow
when someone follows your channel.
User Information
[[[event.user_id]]]— Follower's Twitch ID[[[event.user_login]]]— Follower's username[[[event.user_name]]]— Follower's display name
Event Data
[[[event.followed_at]]]— Timestamp when followed[[[event.broadcaster_user_name]]]— Your display name
note: maps to the Twitch EventSub event channel.follow.