<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%2Fc6b1eaa882%2F2-pack-power-mobile-micro-usb-charger-with-additional-usb-slot%3Finternal_campaign%3Dchannel>