[PowerShell] List Logged-on Users for Windows PC

Function Get-LoggedOnUsers(){

    param(

        [Parameter(ValueFromPipeline=$true)]
        [PSCustomObject]
        $Computer
    )

    Begin{

        $Computers = New-Object -TypeName System.Collections.ArrayList

    }

    Process{

        $UsernameJob = Invoke-Command -ComputerName $Computer.Name -ScriptBlock {Get-WmiObject -Class Win32_Process -Filter "Name='explorer.exe'" | ForEach-Object{$_.GetOwner().User} | Select-Object -Unique} -AsJob
        $LockedJob = Invoke-Command -ComputerName $Computer.Name -ScriptBlock {Get-WmiObject -Class Win32_Process -Filter "Name='logonui.exe'"} -AsJob

        Add-Member -InputObject $Computer -MemberType NoteProperty -Name "UsernameJob" -Value $UsernameJob -Force
        Add-Member -InputObject $Computer -MemberType NoteProperty -Name "LockedJob" -Value $LockedJob -Force

        $Computers.Add($Computer) | Out-Null

    }

    End{

        Get-Job | Wait-Job | Out-Null

        ForEach($Computer in $Computers){

            $Username = Receive-Job $Computer.UsernameJob
            $Locked = Receive-Job $Computer.LockedJob

            If($Locked){$Locked = "Locked"}

            Add-Member -InputObject $Computer -MemberType NoteProperty -Name "Username" -Value $Username -Force
            Add-Member -InputObject $Computer -MemberType NoteProperty -Name "Locked" -Value $Locked -Force

        }

        Get-Job | Remove-Job

        $Computers = $Computers | Where-Object {$_.Username -ne $null} | Select-Object -Property * -ExcludeProperty UsernameJob, LockedJob

        $Computers

    }

}