BEGIN:VCALENDAR
VERSION:2.0
CALSCALE:GREGORIAN
BEGIN:VEVENT
SUMMARY:Sample Class 4
DTSTART;TZID=Australia/Sydney:20210812T170000
DTEND;TZID=Australia/Sydney:20210812T173000
LOCATION:Online
DESCRIPTION: 
STATUS:CONFIRMED
SEQUENCE:0
END:VEVENT
END:VCALENDAR