BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//YourSite//ICS Event Generator//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:event-1791275456043-e72irgtx@yourdomain.com
DTSTAMP:20261006T083056Z
DTSTART;TZID=Asia/Shanghai:20261203T180000
DTEND;TZID=Asia/Shanghai:20261203T220000
SUMMARY:TBWA\SMP 25th Anniversary Celebration
LOCATION:Venue
END:VEVENT
END:VCALENDAR