CmdID / PowerShell / Cmdlets / Set
Set-RDPersonalVirtualDesktopAssignment
Creates an association between a personal virtual desktop and a user account. Windows Server PowerShell reference
From the Windows Server PowerShell reference 4 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.-UserSpecifies the user account to associate with the personal virtual desktop, in DOMAIN\User format.-VirtualDesktopNameSpecifies the name of the virtual desktop.