<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.zen-cart.com/showthread.php?213437-Unable-to-use-USPS-shipping-module&s=e458a51539f4e61a0ea9ccb64f8f8735&p=1248007>