Reference

when someone resubscribes with a message.

User Information

• [[[event.user_name]]] — Subscriber's display name
• [[[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.