Sitelinks search box schema code Main Directory
<html>
<head>
<title>The title of the page</title>
<script type="application/ld+json">
{
"@context": "https://schema.org",
"@type": "WebSite",
"url": "https://www.example.com/",
"potentialAction": {
"@type": "SearchAction",
"target": "https://query.example.com/search?q={search_term_string}",
"query-input": "required name=search_term_string"
}
}
</script>
</head>
<body>
</body>
</html>
<div itemscope itemtype="https://schema.org/WebSite">
<meta itemprop="url" content="https://www.example.com/"/>
<form itemprop="potentialAction" itemscope itemtype="https://schema.org/SearchAction">
<meta itemprop="target" content="https://query.example.com/search?q={search_term_string}"/>
<input itemprop="query-input" type="text" name="search_term_string" required/>
<input type="submit"/>
</form>
</div>