<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://prostosad.kz/product/vykljuchatel-svetozar-city-light-dvuhklavishnyj-v-sbore-s-podsvetkoj-bezhevyj-10a-250v.html>