the same as in the docs
<script type="text/x-handlebars" data-template-name="/connectors/below-footer/fancy-footer">
<div class="footer">
<div class="wrap">
<p>before mounting a widget</p>
{{mount-widget widget="home-logo"}}
{{mount-widget widget="hamburger-categories"}}
<p>after mounting a widget</p>
</div>
</div>
</script>