<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.shopyourway.com/?returnUrl=%2Fcategory%2Fpet-supplies%2F4520%2Fcat-supplies%2F4557%2Fproducts&customAction=register>