As far as I know, there is not a way to do this through Power Automate. You would either need to use PowerShell (Set-Mailbox -Identity "user@domain.com" -HiddenFromAddressListsEnabled $true) or access the M365 Admin Center and of course have admin access.
Was this reply helpful?YesNo
Under review
Thank you for your reply! To ensure a great experience for everyone, your content is awaiting approval by our Community Managers. Please check back later.