H5P content in Google site

Is there anyone who can please me. I want to add h5p content on my google site. I've copy embed code from my content and then paste in google site but it's not working.

below is my h5p content code

<iframe src="https://mehreensaleem.com/wp-admin/admin-ajax.php?action=h5p_embed&id=2" width="845" height="993" frameborder="0" allowfullscreen="allowfullscreen"></iframe><script src="https://mehreensaleem.com/wp-content/plugins/h5p/h5p-php-library/js/h5p-..." charset="UTF-8"></script>

Please help on this how to add my above content in google site.

Thanks,