Deploy Nintex Workflow to Multiple Lists with PowerShell and Nintex Web Service

[void][System.Reflection.Assembly]::LoadWithPartialName("Microsoft.SharePoint")

#Region MOSS2007-CmdLets

Function global:Get-SPSite()
{
  Param( [Parameter(Mandatory=$true)] [string]$SiteCollURL )
 
   if($SiteCollURL -ne '')
    {
    return new-Object Microsoft.SharePoint.SPSite($SiteCollURL)
   }
}

Function global:Get-SPWeb()
{
 Param( [Parameter(Mandatory=$true)] [string]$SiteURL )
  $site = Get-SPSite($SiteURL)
        if($site -ne $null)
            {
               $web=$site.OpenWeb();
            }
    return $web
}
#EndRegion

#Target SharePoint site URL
$WebURL="https://sharepoint.crescent.com/finance/CustomerApproval/"
#Get the Target Site
$Web=Get-SPWeb $WebURL
#Get the Target Lists 

#Nintex Web Service URL
$WebSrvUrl=$WebURL+"_vti_bin/nintexworkflow/workflow.asmx"

$proxy=New-WebServiceProxy -Uri $WebSrvUrl -UseDefaultCredential
$proxy.URL=$WebSrvUrl
#Path of the NWF Workflow File
$WorkflowFile= "C:\Documents and Settings\Salaudeen\Desktop\CustApproval.nwf"

#Get the Workflow from file
$NWFcontent = get-content $WorkflowFile

foreach($List in $web.lists)
 {
   #Get only document libraries. Leave the hidden and "Pending Approval Task" Document Library
   if ( ($List.BaseType -eq "DocumentLibrary") -and ($List.Hidden -eq $false) -and ($List.Title -ne "Pending Approval Tasks") )
   {
     write-host "Workflow is being Published to: "$List
     $proxy.PublishFromNWFXml($NWFcontent, $List.Title ,$List.Title+" Approval", $true)
     write-host "Done!"
   }
 }

#Array to hold list names
$lists= @("Finance", "Human Resources", "Information Technology", "Management System", "Safety" , "Sales and Marketing" , "Security Services", "Supply Chain Ops")

#loop through each list and deploy the workflow
foreach($List in $lists)
 {
     $proxy.PublishFromNWFXml($NWFcontent, $List ,$List+" Approval", $true)
     write-host "Workflow Published to: "$List
 }