BEGIN:VCALENDAR
METHOD:PUBLISH
PRODID:-//Trifolion Event
VERSION:2.0
BEGIN:VEVENT
SEQUENCE:0
DTSTART:20180513T150000Z
DTEND:20180513T160000Z
SUMMARY:
DESCRIPTION:
LOCATION:Atrium 
UID:trifolion_event_463
END:VEVENT
END:VCALENDAR