BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//uttek//Mail & Kalender//DE
CALSCALE:GREGORIAN
BEGIN:VEVENT
UID:3deb5eab9c148763@demo.example
DTSTAMP:20261102T113733Z
DTSTART:20261103T090000Z
DTEND:20261103T094500Z
SUMMARY:Team-Call (Arbeit)
RRULE:FREQ=WEEKLY
END:VEVENT
END:VCALENDAR