CmdID / PowerShell / Cmdlets / Import
Import-RDPersonalVirtualDesktopAssignment
Imports associations between user accounts and personal virtual desktops from a text file. Windows Server PowerShell reference
From the Windows Server PowerShell reference 3 parameters Its page in the reference
Parameters
-CollectionNameSpecifies the name of a personal virtual desktop collection.-ConnectionBrokerSpecifies the Remote Desktop Connection Broker (RD Connection Broker) server for a Remote Desktop deployment.-PathSpecifies the path and file name of a file to import.