Adaptive Card/ Actionable message in Shared Mailbox? - outlook

Im trying out Actionable message (https://learn.microsoft.com/en-us/outlook/actionable-messages/) and sending it out to Shared Mailbox on Outlook on the web for Office 365. However, the results doesnt show/generate the Actionable Message button when compared to when im sending to my own outlook. It produces the words only. Approved/Reject
Just wondering is it supported?
Thanks.

Since Shared Mailbox is kind of a group, Actionable Message is not supported. Clarified by asking on Microsoft Community.
https://learn.microsoft.com/en-us/outlook/actionable-messages/send-via-email

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