EventSub Tags
Channel Subscribe
when someone subscribes to your channel.
User Information
[[[event.user_id]]]— Subscriber's Twitch ID[[[event.user_login]]]— Subscriber's username[[[event.user_name]]]— Subscriber's display name
Subscription Data
[[[event.tier]]]— Sub tier (1000, 2000, 3000) — DON'T USE[[[event.tier_display]]]— Sub display (1, 2, 3) — USE THIS[[[event.is_gift]]]— true/false if gifted
note: maps to the Twitch EventSub event channel.subscribe.