CmdID / PowerShell / Cmdlets / Get
Get-CsTeamsNotificationAndFeedsPolicy
Retrieves information about the Teams Notification and Feeds policy configured for use in the tenant. Microsoft Teams PowerShell reference
From the Microsoft Teams PowerShell reference 3 parameters Its page in the reference
Parameters
-FilterA filter that is not expressed in the standard wildcard language.-IdentityUnique identifier assigned to the policy when it was created.-MsftInternalProcessingModeFor internal use only.