BEGIN:VCALENDAR
VERSION:2.0
PRODID:Events Booking
BEGIN:VEVENT
UID:6aa973c28f95c
SUMMARY:Custom Field Dependency
DESCRIPTION:This event is used to demo Custom Fields Dependency feature in
  Events Booking. When you select an option in a custom field (checkbox\, 
 radio\, dropdown)\, additional fields which depends on that option will be
  showed. To see how it works\, please read documentation at http://eventbo
 okingdoc.joomservices.com/basic-setup/custom-fields/add-new-custom-field#d
 ependency-settings-conditional-custom-fields
DTSTART:20270711T080000Z
DTEND:20270716T080000Z
DTSTAMP:20260915T163514Z
ORGANIZER;CN=Events Booking:MAILTO:tuanpn@joomdonation.com
END:VEVENT
END:VCALENDAR