Schema.org's references:
Google's documentation:
<script type="application/ld+json"> { "@context": "https://schema.org", "@type": "WebSite", "name": "", "url": "", "potentialAction": { "@type": "SearchAction", "target": "{search_term_string}", "query-input": "required name=search_term_string" } } </script>
<script
type
=
"application/ld+json"
>
{
</script>