<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.tanga.com/users/new?return_path=%2Fdeals%2Fb774f98256%2Fwater-resistant-headlamp-super-bright-led-7-led%3Finternal_campaign%3Dchannel>