<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.partybox.pl/lista.php?szukaj%255Bname%255D=str%25F3j+pszcz%25F3%25B3ka&szukaj%255Bcategory_id%255D=3>