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Chanchal Kumar 9Chanchal Kumar 9 

Automatically add events in Google calendar by ICS file in message is not working

I'm sending an ICS file in email attachment to users, these events were added to the user's google calendar automatically, but now this functionality has stops. The ics file is:
BEGIN:VCALENDAR
PRODID:-//Google Inc//Google Calendar 70.9054//EN
VERSION:2.0
CALSCALE:GREGORIAN
METHOD:REQUEST
BEGIN:VEVENT
DTSTART:20201224T160000Z
DTEND:20201224T163000Z
DTSTAMP:2020-11-09 12:29:58
ORGANIZER;CN=ABC abcd:mailto:confirm@abc.com
uid:vhffo5ldfsaf0dddddjj44jjcsqc@google.com
CREATED:2020-11-09 12:29:58
DESCRIPTION:Test desciption
LAST-MODIFIED:2020-11-10 07:24:29
SEQUENCE:7
STATUS:CONFIRMED
SUMMARY:test event ddd 7
TRANSP:OPAQUE
END:VEVENT
END:VCALENDAR

This ics is working when we manually import ics file in google calendar, but events does't added to calendar automatically once the user get email in recent time earlier it was working. I have already checked the google settings for "automatic add event from google calendar", what change I need to do so that the event from ICS.
SwethaSwetha (Salesforce Developers) 
HI Chanchal ,
This appears to be more of Google Calendar issue than Salesforce's. 

Related: https://support.google.com/calendar/thread/71351867?hl=en

I recommend you log a case with Google team(https://support.google.com/calendar/?hl=en#topic=3417969) for further investigation.

Hope this helps you. Please mark this answer as best so that others facing the same issue will find this information useful. Thank you