SOCIAL MEDIA

Discord event capacity gate with automatic waitlist promotion

Enforces a seat cap on RSVPs: once an event is full, new sign-ups join a waitlist, and when someone drops out the next person is promoted, notified in Discord.

CategorySocial Media
Enginesim
Difficultyadvanced
Triggerevent
Steps5
Setup~25 min

How it runs

The automated pipeline, trigger to output.

  • TriggerReaction add/remove on capped eventDiscordDiscord
  • ActionRecompute confirmed and waitlist countsPostgreSQLPostgres
  • LogicBranch: open seat / over cap / backfill
  • ActionPromote next waitlisted member to calendarGoogle CalendarGoogle Calendar
  • OutputDM promoted member and post seats leftDiscordDiscord

What it does

This workflow manages limited-capacity events. As members RSVP, it counts confirmed seats. New RSVPs past the cap go onto a waitlist. When a confirmed attendee cancels, the flow promotes the longest-waiting person, DMs them, and adds them to the calendar event.

When to use it

Use this for workshops, game nights, or any event with a hard seat limit where fair, automatic waitlist handling matters more than first-come chaos in the channel.

How it works

  1. 1A Discord reaction add or remove on the event message triggers the workflow.
  2. 2The flow recomputes confirmed and waitlisted counts from the attendee table.
  3. 3A branch decides: seat available, over capacity (waitlist), or a freed seat to backfill.
  4. 4On a freed seat it promotes the next waitlisted member, updates their row, and adds them as a Google Calendar guest.
  5. 5It DMs the promoted member and posts the current seats-remaining status to the channel.

Set it up

What you configure once, before turning it on.

  1. 1
    Connect DiscordCommunity channels + voice + bots.
  2. 2
    Connect Google CalendarEvents, attendees, availability.
  3. 3
    Connect PostgresAny Postgres URL — query, write, migrate.
  4. 4
    Set each agent's modelWe leave models unset so you pick the tier — fast + cheap, or top-quality.
  5. 5
    Tune it to your dataEdit the prompts, filters, and field mappings so it matches how your team works.
  6. 6
    Test, then turn it onRun once against a sample, confirm the output, then enable the trigger.

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