CmdID / PowerShell / Cmdlets / Get
Get-GPO
Gets one GPO or all the GPOs in a domain. Windows Server PowerShell reference
From the Windows Server PowerShell reference 5 parameters Its page in the reference
Parameters
-AllIndicates that the cmdlet gets all the GPOs in the domain.-Domain, -DomainNameSpecifies the domain for this cmdlet.-Guid, -IdSpecifies the GPO to retrieve by its globally unique identifier (GUID).-Name, -DisplayNameSpecifies the GPO to retrieve by its display name.-Server, -DCSpecifies the name of the domain controller that this cmdlet contacts to complete the operation.