PRTG: Prüfen ob Task auf Server ausgeführt wird

$environment= "Wert1"  
$executable= "Wert2"  
$instance= "Wert3"  


$RetVal = Get-CimInstance win32_Process | select Name,ProcessId,Commandline | Where-Object {($_.Name -eq $executable) -and ($_.CommandLine -Like "*$environment*") -and ($_.CommandLine -Like "*$instance*")} | ft -Auto -Wrap  

if($RetVal){
write-output '1:Funktioniert?'  
}
else{
#write-output "0:$executable $environment $instance 1" 
echo "2:Dienst ist nicht erreichbar Server: $Host"  
}

write-output "0:$($executable) $($environment) $($instance) 1"  

$StringWriter = New-Object System.IO.StringWriter;
$xmlWriter = New-Object System.Xml.XmlTextWriter $StringWriter
$xmlWriter.Formatting = [System.Xml.Formatting]::Indented
$xmlWriter.Indentation = 2;
$xmlWriter.WriteStartElement("prtg")  
    $xmlWriter.WriteStartElement("result")  
        $xmlWriter.WriteElementString("channel","Kanal1")  
        $xmlWriter.WriteElementString("value",$String1);  
    $xmlWriter.WriteEndElement()
    $xmlWriter.WriteStartElement("result")  
        $xmlWriter.WriteElementString("channel","Kanal2")  
        $xmlWriter.WriteElementString("value",$String2);  
    $xmlWriter.WriteEndElement()
$xmlWriter.WriteEndElement()
Write-Output $StringWriter.ToString();