PowerShell: Function to add domain user to local group

Function fAdd-DomainUserToLocalGroup 
{ 
	[cmdletBinding()] 
	Param( 
	[Parameter(Mandatory=$True)] 
	[string]$computer, 
	[Parameter(Mandatory=$True)] 
	[string]$group, 
	[Parameter(Mandatory=$True)] 
	[string]$domain, 
	[Parameter(Mandatory=$True)] 
	[string]$user 
	) 
	Try
	{
		$de = [ADSI]“WinNT://$computer/$Group,group” 
		$de.psbase.Invoke(“Add”,([ADSI]“WinNT://$domain/$user”).path) 
	}
	Catch {}
}