Reference

when someone resubscribes with a message.

User Information

• [[[event.user_name]]] :: Subscriber's display name
• [[[event.user_avatar]]] :: Subscriber's profile image URL
• [[[event.tier]]] :: Sub tier (1000, 2000, 3000) :: DON'T USE
• [[[event.tier_display]]] :: Sub display (1, 2, 3) :: USE THIS

Subscription Data

• [[[event.cumulative_months]]] :: Total months subbed
• [[[event.streak_months]]] :: Current streak
• [[[event.duration_months]]] :: Months in this sub
• [[[event.message.text]]] :: The resub message

note: maps to the Twitch EventSub event channel.subscription.message.