BEGIN:VCALENDAR METHOD:PUBLISH VERSION:2.0 BEGIN:VEVENT SUMMARY:Workshop zur Erweiterung des Archivportals-D CREATED:20190201T153300Z DTSTART:20190319T100000Z DTEND:20190319T150000Z LOCATION:Koblenz END:VEVENT END:VCALENDAR response.setHeader("Content-Disposition","attachment;filename=event.ics");