Powershell for setting folder permissions

FolderPermissions.ps1

# This script function should work just fine. If you make modifications and notice that the 'Special Permissions'
# right is checked for the folder/file then see thise link for details on how to resolve that.
#
# http://blog.netnerds.net/2007/07/powershell-set-acl-does-not-appear-to-work/
#

function Set-UserToModifyFolderPermission
{
  param(
		[string]$fullPath,
		[string]$username
	)
	
	# Set ACLs on full path for Read | Write | Modify for the username specified.
    Write-Host Setting permissions for $username on $fullPath

    $acl = Get-Acl $fullPath
    $accessrule = New-Object System.Security.AccessControl.FileSystemAccessRule($username, "Modify, Synchronize", "ContainerInherit, ObjectInherit", "None", "Allow")
   
    $acl.AddAccessRule($accessrule)
    Set-Acl $fullPath $acl

}