# 42min — Event types > Meeting templates: durations, buffers, one‑on‑one, round‑robin, and group. This file indexes the Event types section of the 42min Help Center. Each linked page is also available as raw markdown at the same URL with a `.md` suffix. The full text of this section is at https://42min.us/help/event-types/llms-full.txt The whole Help Center is at https://42min.us/help/llms.txt The whole site is at https://42min.us/llms.txt - [Event types overview](https://42min.us/help/event-types/overview): How meeting templates work in 42min, with durations, buffers, and the four event-type kinds. - [One-on-one event types](https://42min.us/help/event-types/one-on-one): The classic scheduling link — you (one host) meet one invitee. - [Round-robin event types](https://42min.us/help/event-types/round-robin): One link for a whole team, with 42min showing everyone's combined availability and assigning each booking fairly. - [Group event types](https://42min.us/help/event-types/group): One time slot, many invitees, plus an optional rotating host across a team (Group + Round Robin). - [Duration, buffers, and limits](https://42min.us/help/event-types/duration-buffers-and-limits): The timing knobs on an event type, covering length, padding, minimum notice, booking window, and meeting caps. - [Booking questions](https://42min.us/help/event-types/booking-questions): Customize the form invitees fill in when they book, with standard fields plus your own questions. - [Qualification](https://42min.us/help/event-types/qualification): Rules on the booking form answers that turn away the wrong leads before a booking is created, and show them a message or send them elsewhere. - [Additional attendees](https://42min.us/help/event-types/additional-attendees): Invite fixed email addresses (a shared mailbox, a manager, a note-taker) to every calendar event an event type creates. - [UTM tracking](https://42min.us/help/event-types/utm-tracking): Tag your booking and routing-form links with UTM parameters and 42min records where each booking came from. Any other custom URL parameters are captured too.