BEGIN:VCALENDAR
VERSION:2.0
CALSCALE:GREGORIAN
BEGIN:VEVENT
SUMMARY:SUNDAY FLOW
DTSTART;TZID=Europe/Amsterdam:20210509T110000
DTEND;TZID=Europe/Amsterdam:20210509T120000
LOCATION:@home
DESCRIPTION: 
STATUS:CONFIRMED
SEQUENCE:0
END:VEVENT
END:VCALENDAR