1. Add a form to the page
2. Enable Lightbox Mode
3. Inject the below javascript to the page:
<script src=”https://code.jquery.com/jquery-2.1.1.min.js” type=”text/javascript”></script>
<script type=”text/javascript”>
$(function() {
$(‘.lightbox-handle’).hide();
setTimeout(function(){ $(‘.lightbox-handle’).click(); }, 1000);
});
></script>