CmdID / PowerShell / Cmdlets / Get
Get-RDVirtualDesktopCollection
Gets a list of virtual desktop collections in a remote desktop deployment. Windows Server PowerShell reference
From the Windows Server PowerShell reference 2 parameters Its page in the reference
Parameters
-CollectionNameSpecifies the name of the virtual desktop collection.-ConnectionBrokerSpecifies the Remote Desktop Connection Broker (RD Connection Broker) server for a remote desktop deployment.