Create new event type.
2. Pick up name, vanity link. Add description, photo.
3. Go to Who panel, add members of your group.
4. Select a way group should be booked (when all members are available, any or specific).
5. Go to When panel and specify date and time range when this group is available.
6. Open other panels one by one to ensure defaults work for you.
7. Share a link to this group