BEGIN:VCALENDAR METHOD:PUBLISH VERSION:2.0 BEGIN:VEVENT SUMMARY:Pappa ante portas (D 1991) CREATED:20191206T154601Z DTSTART:20200609T173000Z DTEND:20200609T200000Z LOCATION:Koblenz END:VEVENT END:VCALENDAR response.setHeader("Content-Disposition","attachment;filename=event.ics");