BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Monitor//Status maintenance//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:monitor-test-maintenance-1
DTSTAMP:20261110T205636Z
DTSTART:20261111T215600Z
DTEND:20261112T215600Z
SUMMARY:router reboot
DESCRIPTION:no internetz
STATUS:CONFIRMED
END:VEVENT
END:VCALENDAR