<?xml version="1.0"?>

<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
    <body>
        <container name="root">
            <block class="Magento\Framework\View\Element\Template" name="pdc.view.getiframe"
                   template="Magetop_Advancepreview::newpreview/index.phtml"/>
        </container>
    </body>
</page>