I wanted to block calendars in google and outlook as per the details received by the user in Appian.
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What exactly do you mean with this?
Mahalakshmi M said:I wanted to block calendars
Then, both services provide extensive APIs.
When I give information such as attendees, invite details then on a approval with the user it should block their calendar as events !
So you mean a standard calendar invite? If that's the case, you can do that using API calls to these services, or use this plugin
https://community.appian.com/b/appmarket/posts/send-cancel-meeting-request-and-generate-icalendar?CommentId=9171965e-2768-4042-8889-347141d5ef51