# Additional attendees

Sometimes an address beyond you and the invitee belongs on every meeting of a certain
kind — a shared `sales@` mailbox, a manager who wants visibility, a note-taking
service. **Additional attendees** lets you list those addresses once on the event
type; every booking's calendar event then invites them automatically.

## What it is

- Each event type can list up to **10 email addresses**.
- When a booking is made, the calendar event 42min creates in your Google or
  Microsoft calendar includes those addresses as invited guests. Their calendars
  show the meeting, and the time **counts as busy for them unless they decline**.
- The invitation comes from your calendar provider, exactly like the invitee's —
  reschedules update it and cancellations remove it, with no extra setup.
- Addresses are never duplicated: if an additional attendee is already the host,
  the invitee, or a guest the invitee added, they appear on the event once.
- On [group event types](/help/event-types/group), the additional attendees are
  added once to the shared calendar event, alongside everyone who booked the slot.

## When to use it

- **A shared team calendar.** Add the shared mailbox (e.g. `sales@yourcompany.com`)
  so every demo also lands on the team's calendar as an invited copy — and shows
  the slot as busy there.
- **A manager or coordinator** who should see every interview or onboarding call
  without being the host.
- **A note-taking or recording service** that joins meetings via a calendar invite.

## How to do it

1. Open [**Event Types**](/360/events) and edit the event type.
2. On the **General** tab, find **Additional attendees**, below the **Meeting Type**
   setting.
3. Type an address and press **Enter** (or comma). Each address becomes a removable
   pill; click **×** to remove one. Up to 10 addresses.
4. Save. New bookings from then on include the attendees on their calendar events;
   meetings booked earlier pick them up only if they're rescheduled.

<Screenshot
  src="/help/screenshots/event-types/editor.png"
  alt="The event-type editor's General tab in the 42min dashboard, with the Additional attendees field below the Meeting Type setting"
  caption="The editor's General tab. 'Additional attendees' sits below 'Meeting Type' — type an address and press Enter to add it; the helper text underneath spells out the busy-unless-declined behavior."
/>

## Common pitfalls

- **No connected calendar, no invitations.** The invitations ride on the calendar
  event, so if you haven't [connected a calendar](/360/availability?tab=calendar),
  no calendar event is created and nobody is invited — the editor shows a warning
  when this is the case.
- **Google and Microsoft calendars only.** Events written to a
  [CalDAV calendar](/help/integrations/other-calendars) (Apple iCloud, Zoho, Yahoo,
  Fastmail, Yandex, self-hosted) carry no invitations, so additional attendees have
  no effect there.
- **Declining stops the busy block.** If an attendee (or a shared mailbox) declines
  the invite, their calendar stops counting the time as busy.
- **42min's own emails are unchanged.** Additional attendees receive the provider's
  calendar invitation only — not 42min's booking confirmations, reminders, or
  [workflow](/help/workflows/overview) emails.
- **Template-based event types.** On an event type distributed from a
  [template](/help/team-and-admin/templates), additional attendees are set on the
  template by the admin; recipients see the list on their copy but can't edit it.