Set the preferred application group type for a pooled host pool in Azure Virtual Desktop

refer to MS KB: Set the preferred application group type for a pooled host pool in Azure Virtual Desktop | Microsoft Learn

Inscope: Pooled Destkop & Remote Application

Out of scope: Personal Desktop

Feels like the "preferred application group type" should be be a mandatory field within the AVD Properties field of a hostpool, and should offer options only between "pooled" & "remote app".

Shared this with customer last week how to make the change, Set the preferred application group type for a pooled host pool in Azure Virtual Desktop | Microsoft Learn

PS code: 

$parameters = @{
    hostPoolName = "<HostPoolName>"
    resourceGroupName = "<ResourceGroupName>"
    preferredAppGroupType = "<PreferredAppGroupType>"
}

Update-AzWvdHostPool @parameters