fixed shell launcher powershell script

windows/configuration/assigned-access/shell-launcher/index.md

@@ -78,14 +78,15 @@ $shellLauncherConfiguration = @"
 $namespaceName="root\cimv2\mdm\dmmap"
 $className="MDM_AssignedAccess"
 $obj = Get-CimInstance -Namespace $namespaceName -ClassName $className
-$obj.Configuration = [System.Net.WebUtility]::HtmlEncode($shellLauncherConfiguration)
+$obj.ShellLauncher = [System.Net.WebUtility]::HtmlEncode($shellLauncherConfiguration)
 $obj = Set-CimInstance -CimInstance $obj -ErrorVariable cimSetError -ErrorAction SilentlyContinue
 if($cimSetError) {
     Write-Output "An ERROR occurred. Displaying error record and attempting to retrieve error logs...`n"
     Write-Error -ErrorRecord $cimSetError[0]
 
     $timeout = New-TimeSpan -Seconds 30
     $stopwatch = [System.Diagnostics.Stopwatch]::StartNew()
+    $eventLogFilterHashTable = @{ LogName='Microsoft-Windows-AssignedAccess/Admin' }
     do{
         $events = Get-WinEvent -FilterHashtable $eventLogFilterHashTable -ErrorAction Ignore
     } until ($events.Count -or $stopwatch.Elapsed -gt $timeout) # wait for the log to be available