BEGIN:VCALENDAR METHOD:PUBLISH VERSION:2.0 BEGIN:VEVENT SUMMARY:Kommunikation - Von der Urkunde bis zum Tweet CREATED:20220718T080847Z DTSTART:20220616T220000Z DTEND:20220929T220000Z LOCATION:Koblenz END:VEVENT END:VCALENDAR response.setHeader("Content-Disposition","attachment;filename=event.ics");