<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.cameleons.com/index.php?option=com_customproperties&task=tag&tagName=Design+%26+cr%C3%A9ation%3Aaffiche&Itemid=152>