BEGIN:VCALENDAR METHOD:PUBLISH VERSION:2.0 BEGIN:VEVENT SUMMARY:Rosa Luxemburg (BR 1986) CREATED:20181026T143303Z DTSTART:20190108T183000Z DTEND:20190108T210000Z LOCATION:Koblenz END:VEVENT END:VCALENDAR response.setHeader("Content-Disposition","attachment;filename=event.ics");