BEGIN:VCALENDAR BEGIN:VTODO DTSTAMP:19980130T134500Z SEQUENCE:2 UID:<1234@example.com> ORGANIZER:MAILTO:<test@example.com> ATTENDEE;PARTSTAT=ACCEPTED:MAILTO:<EMAIL:test@example.com> DUE:19980415T235959 STATUS:NEEDS-ACTION SUMMARY:Submit Income Taxes BEGIN:VALARM ACTION:AUDIO TRIGGER;VALUE=DATE-TIME:19980403T120000 ATTACH;FMTTYPE=audio/basic:http://host.com/pub/audio-files/ssbanner.aud REPEAT:4 DURATION:PT1H END:VALARM END:VTODO END:VCALENDAR