BEGIN:VCALENDAR METHOD:PUBLISH VERSION:2.0 BEGIN:VEVENT SUMMARY:Das gro├če Liebesspiel (BR 1963) CREATED:20191206T154601Z DTSTART:20200310T183000Z DTEND:20200310T210000Z LOCATION:Koblenz END:VEVENT END:VCALENDAR response.setHeader("Content-Disposition","attachment;filename=event.ics");