Watches at some folder for a child folder being created, then triggers some action

Watch-CreatedFolder.ps1

$global:MonitoredPath = 'c:\inetpub\wwwroot'
$global:ExpectedDirectory = 'xp.xconnect'
$global:KeepGoing = $true

$IncludeSubfolders = $true
$AttributeFilter = [IO.NotifyFilters]::DirectoryName 

try
{
  $watcher = New-Object -TypeName System.IO.FileSystemWatcher -Property @{
    Path = $global:MonitoredPath
    Filter = '*'
    IncludeSubdirectories = $IncludeSubfolders
    NotifyFilter = $AttributeFilter
  }

  $action = {
    $details = $event.SourceEventArgs
    $Name = $details.Name
    $FullPath = $details.FullPath
    $OldFullPath = $details.OldFullPath
    $OldName = $details.OldName
    
    $ChangeType = $details.ChangeType
    $Timestamp = $event.TimeGenerated
    
    if($FullPath -eq "$global:MonitoredPath\$global:ExpectedDirectory") 
    {
      $global:KeepGoing = $false
      Write-Host "Folder created !!!"
    }    
  }

  $handlers = . { Register-ObjectEvent -InputObject $watcher -EventName Created  -Action $action }
  $watcher.EnableRaisingEvents = $true
 
  do
  {
    Wait-Event -Timeout 1
    # Write-Host "." -NoNewline
  } 
  while ($global:KeepGoing)
}
finally
{
  # this gets executed when user presses CTRL+C:
  $watcher.EnableRaisingEvents = $false
  
  # remove the event handlers
  $handlers | ForEach-Object { Unregister-Event -SourceIdentifier $_.Name }
  $handlers | Remove-Job
  $watcher.Dispose()
  
  # Write-Warning "Event Handler disabled, monitoring ends."
}