<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.carolinescelebrationcakes.co.uk/?option=com_joomgallery&func=watermark&id=662&catid=8&orig=1&no_html=1&Itemid=57>