<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.platt.com/platt-electric-supply/Screen-Mounts-Recessed-Boxes-Ceiling-Mounts/Securmount/CM-501/product.aspx?zpid=871346>