BEGIN:VCALENDAR
PRODID:-//Example/ExampleCalendarClient//EN
METHOD:REFRESH
VERSION:2.0
BEGIN:VEVENT
ORGANIZER:mailto:a@example.com
ATTENDEE;ROLE=CHAIR;PARTSTAT=ACCEPTED:mailto:a@example.com
ATTENDEE:mailto:b@example.com
ATTENDEE:mailto:c@example.com
ATTENDEE:mailto:d@example.com
UID:guid-1-12345@example.com
DTSTAMP:19970603T094000
END:VEVENT
END:VCALENDAR