Using powershell add header and link in quick launch

param([string] $siteCollectionUrl, [string] $LeasingRelUrl)

$currentScriptName  = $MyInvocation.MyCommand.Name

$usageText = "`nUsage:`n .\"

$usageText += "$currentScriptName `"`<siteCollectionUrl>`" `"`<siteUrl>`"`n`n"

$usageText += "Where:`n"

$usageText += "siteCollectionUrl is the URL of the root site collection, e.g. http://sharepoint2010.com`n"

$usageText += "MORelUrl is the path of the site, e.g. testsite`n"

if ($siteCollectionUrl -eq "") {

write-Host -foregroundcolor Red "Required parameter siteCollectionUrl missing."

write-Host $usageText

exit

}

if ($LeasingRelUrl -eq "") {

write-Host -foregroundcolor Red "Required parameter MORelUrl missing."

write-Host $usageText

exit

}

$web = get-spweb "$siteCollectionUrl/$Url"

$pubWeb = [Microsoft.SharePoint.Publishing.PublishingWeb]::GetPublishingWeb($web)

function AddHeading($HeadingName,$Link)

{

$CreateSPNavigationNode = [Microsoft.SharePoint.Publishing.Navigation.SPNavigationSiteMapNode]::CreateSPNavigationNode

$qlNav = $pubWeb.Navigation.CurrentNavigationNodes

$headingNode = $CreateSPNavigationNode.Invoke($HeadingName, $Link, [Microsoft.SharePoint.Publishing.NodeTypes]::Heading, $qlNav)

 $headingNode.Properties["Audience"] = ";;;;Group_Name"

$headingNode.Update()

$web.Update()

}

function AddLink($HeadingName,$DisplayName,$URL,$External)

{

Start-Sleep -Seconds 5

$qlNav1 = $web.Navigation.QuickLaunch

$qlNav1 | select Title, ID

$qlink = $qlNav1 | where {$_.Title -eq $HeadingName}

$linkNode = New-Object Microsoft.SharePoint.Navigation.SPNavigationNode($DisplayName,$URL,$External)

$qlink.Children.AddAsLast($linkNode)

}
AddHeading "TestHeading" ""

AddLink "TestHeading" "TestLink" "http://hotmail.com" "True"