URL;EXTERNAL=YES:http://www.example.com/
RRULE;TEST=DATA:FREQ=DAILY;COUNT=10
DUE;TZID=Europe/Truro;VALUE=DATE-TIME;TEST=YES:20160131T150000Z
+ATTACH;FMTTYPE=application/internet-shortcut:http://www.example.com/
+ATTACH;FMTTYPE=application/internet-shortcut:http://www.example.com/page2.html
+ATTACH;FMTTYPE=text/plain;VALUE=BINARY;ENCODING=BASE64;STUPID=EXAMPLE:VGhpcyBp
+ cyBhbiBleGFtcGxlIGZpbGU=
END:VTODO
END:VCALENDAR
\ No newline at end of file