Import XML to Sharepoint

Add-Type -Path 'C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\15\ISAPI\Microsoft.SharePoint.Client.dll'
Add-Type -Path 'C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\15\ISAPI\Microsoft.SharePoint.Client.Runtime.dll'

function CreateWikiPage()
{
[CmdletBinding()]
param(
        [Parameter(Mandatory=$true)][string]$webUrl,
        [Parameter(Mandatory=$false)][System.Net.NetworkCredential]$credentials,
        [Parameter(Mandatory=$true)][string]$pageName,
        [Parameter(Mandatory=$true)][string]$pageContent,
        [Parameter(Mandatory=$false)][string]$XmlInput
    )
            $templateRedirectionPageMarkup = '<%@ Page Inherits="Microsoft.SharePoint.Publishing.TemplateRedirectionPage,Microsoft.SharePoint.Publishing,Version=14.0.0.0,Culture=neutral,PublicKeyToken=71e9bce111e9429c" %> <%@ Reference VirtualPath="~TemplatePageUrl" %> <%@ Reference VirtualPath="~masterurl/custom.master" %>';
            $credentials = New-Object System.Net.NetworkCredential('***', '***')
            $ctx = New-Object Microsoft.SharePoint.Client.ClientContext($webUrl)
            $ctx.Credentials = $credentials


            $wikiPages = $ctx.Web.Lists.GetByTitle("Pages")
            $load = [Microsoft.SharePoint.Client.ClientContext].GetMethod("Load")
            $listLoad = $load.MakeGenericMethod([Microsoft.SharePoint.Client.List])
            $listLoad.Invoke($ctx,@($wikiPages,$null))
            $ctx.ExecuteQuery()


            $file = New-Object Microsoft.SharePoint.Client.FileCreationInformation
            $file.Url = $pageName+='.aspx'
            $file.Content = [System.Text.Encoding]::UTF8.GetBytes($templateRedirectionPageMarkup)
            $file.Overwrite = $true


            $wikiFile = $wikiPages.RootFolder.Files.Add($file)
            $fileLoad = $load.MakeGenericMethod([Microsoft.SharePoint.Client.File])
            $fileLoad.Invoke($ctx,@($wikiFile,$null))

            $wikiPage = $wikiFile.ListItemAllFields
            $wikiPage["PublishingPageContent"] = $pageContent
            $wikiPage["PublishingPageLayout"] = "/sites/testWiki/_catalogs/masterpage/CustomWiki.aspx, CustomWiki"
            $wikiPage.Update()
            $ctx.ExecuteQuery();

}

[xml]$pagesXML = Get-Content F:\BoggleMigration\BoggleData.xml
if ($pagesXML -eq $null) { return }
$webUrl='http://infostore/sites/testwiki'
$pagesXML.Pages.Page | ForEach-Object {
    $credentials = New-Object System.Net.NetworkCredential('username', 'password','url')
    $PageName = [string]$_.Title
    write-host 'page name: ' $PageName.Title
    $PageContent = [string]$_.Content
    write-host 'content: ' $PageContent|Get-Member
    CreateWikiPage $webUrl $credentials $pageName $pageContent
    Write-Host "Creating " $PageName
} #End ForEach Loop