{source}
<!– You can place html anywhere within the source tags –>
<iframe width=”727″ height=”409″ src=”https://www.youtube.com/embed/z-I-pYoWefc” title=”YouTube video player” frameborder=”0″ allow=”accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture” allowfullscreen></iframe>
<script language=”javascript” type=”text/javascript”>
// You can place JavaScript like this

</script>
<?php
// You can place PHP like this

?>
{/source}