BEGIN:VCALENDAR PRODID:-//Fresenius//Fresenius calendar//EN VERSION:2.0 METHOD:PUBLISH BEGIN:VEVENT SUMMARY:Event - Fresenius DURATION:P1D UID:100@Fresenius DTSTAMP:20181107T000000Z DESCRIPTION: CLASS:PUBLIC DTSTART:20181107T000000 BEGIN:VALARM TRIGGER:-PT1440M ACTION:DISPLAY DESCRIPTION:Reminder END:VALARM END:VEVENT END:VCALENDAR