BEGIN:VCALENDAR
VERSION:2.0
PRODID:aftelearning.org
BEGIN:VEVENT
UID:6a17bd1dcffbf
DTSTART:20220118T170000Z
SEQUENCE:0
TRANSP:OPAQUE
DTEND:20220118T180000Z
SUMMARY:CK Test 
CLASS:PUBLIC
DESCRIPTION:test\n\n
X-ALT-DESC;FMTTYPE=text/html:<p>test</p>\n
DTSTAMP:20260528T035718Z
END:VEVENT
END:VCALENDAR