Salt kill children

function Find-ChildProcess {
	param($ID=$PID)
	 
	$CustomColumnID = @{
	Name = 'Id'
	Expression = { [Int[]]$_.ProcessID }
	}
 
	$result = Get-WmiObject -Class Win32_Process -Filter "ParentProcessID=$ID" | Select-Object -Property ProcessName, $CustomColumnID, CommandLine
 
	$result
	$result | Where-Object { $_.ID -ne $null } | ForEach-Object {
		Find-ChildProcess -id $_.Id
	}
}

Write-Host $args[0]
$jobid=$args[0] 
$procid=c:\salt\salt-call.exe saltutil.find_job $jobid --out=key | Where { $_.contains("pid") } | % { ($_.split(":")[1]).trim() }
Find-ChildProcess $procid | Stop-Process -Force