BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//PYVOBJECT//NONSGML Version 1//EN
BEGIN:VEVENT
UID:20260506T221455Z - 81839@b2b
DTSTART:20230915T070000Z
DTEND:20230930T070000Z
CREATED:20260506T221455Z
DTSTAMP:20260506T221455Z
SUMMARY:Ra mắt ứng dụng mobile ver 1
END:VEVENT
END:VCALENDAR