Unregister-Event -SourceIdentifier FileCreated

$folder = 'c:\users'
$filter = 'TEMP'
$fsw = New-Object IO.FileSystemWatcher $folder, $filter
$fsw.IncludeSubdirectories = $true
$fsw.NotifyFilter = [IO.NotifyFilters]'DirectoryName' # just notify directory name events
$onCreated = Register-ObjectEvent $fsw Created -SourceIdentifier FileCreated -Action {  Write-EventLog -LogName "Application" -Source "SceCLI" -EventID 666 -EntryType Error -Message "C:\Users\TEMP" -Category 1 -RawData 10,20 }