<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://nexterio.pl/37536,Zlaczka-zaciskowa-Wavin-z-polsrubunkiem-PPSU-c-z-woda-PN10-50x2-3-4.html>