node-groupme/src/websocket/handlers/events/calendar/calendar.event.user.undecided.ts

The only GroupMe API library that isn't a million years old.

import type { APIGroupMessage, CalendarEventUserUndecidedEvent } from 'groupme-api-types'
import type { Client } from '../../../..'

export async function userUndecided(client: Client, message: APIGroupMessage, event: CalendarEventUserUndecidedEvent) {
    return
}