<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.comtech.de/haushalt-und-kueche/kaffee-und-tee/dolce-gusto/delonghi-edg-636.s-dolce-gusto-stelia-silber>