Kiosk XML

$nameSpaceName="root\cimv2\mdm\dmmap"
$className="MDM_AssignedAccess"
$obj = Get-CimInstance -Namespace $namespaceName -ClassName $className
Add-Type -AssemblyName System.Web
$obj.Configuration = [System.Web.HttpUtility]::HtmlEncode(@"
<?xml version="1.0" encoding="utf-8" ?>
<AssignedAccessConfiguration
    xmlns="http://schemas.microsoft.com/AssignedAccess/2017/config"
    xmlns:r1809="http://schemas.microsoft.com/AssignedAccess/201810/config"
>
  <Profiles>
    <Profile Id="{9A2A490F-10F6-4764-974A-43B19E722C23}">
      <AllAppsList>
        <AllowedApps>
         <App AppUserModelId="MSEdgeDev" r1809:AutoLaunch="true"/>
        </AllowedApps>
      </AllAppsList>
      <StartLayout>
        <![CDATA[<LayoutModificationTemplate xmlns:defaultlayout="http://schemas.microsoft.com/Start/2014/FullDefaultLayout" xmlns:start="http://schemas.microsoft.com/Start/2014/StartLayout" Version="1" xmlns="http://schemas.microsoft.com/Start/2014/LayoutModification">
                      <LayoutOptions StartTileGroupCellWidth="6" />
                      <DefaultLayoutOverride>
                        <StartLayoutCollection>
                          <defaultlayout:StartLayout GroupCellWidth="6">
                            <start:Group Name="">
                              <start:DesktopApplicationTile Size="2x2" Column="2" Row="0" DesktopApplicationLinkPath="%ALLUSERSPROFILE%\Microsoft\Windows\Start Menu\Programs\Microsoft Edge Dev.lnk" />
                            </start:Group>
                          </defaultlayout:StartLayout>
                        </StartLayoutCollection>
                      </DefaultLayoutOverride>
                    </LayoutModificationTemplate>
                ]]>
      </StartLayout>
      <Taskbar ShowTaskbar="false"/>
    </Profile>
  </Profiles>
  <Configs>
    <Config>
      <AutoLogonAccount/>
      <DefaultProfile Id="{9A2A490F-10F6-4764-974A-43B19E722C23}"/>
    </Config>
  </Configs>
</AssignedAccessConfiguration>
"@)
Set-CimInstance -CimInstance $obj