BEGIN:VCALENDAR METHOD:PUBLISH VERSION:2.0 BEGIN:VEVENT SUMMARY:Lesung mit dem Autor Maxim Leo CREATED:20191209T230000Z DTSTART:20200128T170000Z DTEND:20200128T190000Z LOCATION:Koblenz END:VEVENT END:VCALENDAR response.setHeader("Content-Disposition","attachment;filename=event.ics");