CmdID / PowerShell / Cmdlets / Get
Get-CsTeamsMeetingBrandingPolicy
The CsTeamsMeetingBrandingPolicy cmdlet enables administrators to control the appearance in meetings by defining custom backgrounds, logos, and colors. Microsoft Teams PowerShell reference
From the Microsoft Teams PowerShell reference 2 parameters Its page in the reference
Parameters
-FilterEnables you to use wildcard characters when indicating the policy (or policies) to be returned.-IdentityUnique identifier of the policy to be returned.