<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.etundra.com/restaurant-dining-room/serveware/metal-plastic-plate-covers/cambro-116vs-versa-camcover-round-11-three-eighths-inch-gray-plate-cover/>