```Import-Module "$($ENV:SMS_ADMIN_UI_PATH)\..\ConfigurationManager.psd1"
$SiteCode = Get-PSDrive -PSProvider CMSITE
Set-Location "$($SiteCode.Name):\"


$res = Invoke-CMWmiQuery -Query @"
select SMS_CombinedDeviceResources.CurrentLogonUser
from SMS_CombinedDeviceResources
join SMS_CN_ClientStatus
    on SMS_CN_ClientStatus.ResourceID = SMS_CombinedDeviceResources.ResourceID
WHERE 
    SMS_CN_ClientStatus.OnlineStatus = 1
    AND SMS_CombinedDeviceResources.CurrentLogonUser IS NOT NULL
"@