<http://schema.org/valueRequired>	<http://schema.org/rangeIncludes>	<http://schema.org/Boolean> .
<http://schema.org/valueRequired>	<http://www.w3.org/2000/01/rdf-schema#label>	"valueRequired" .
<http://schema.org/valueRequired>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#Property> .
<http://schema.org/valueRequired>	<http://schema.org/domainIncludes>	<http://schema.org/PropertyValueSpecification> .
<http://schema.org/valueRequired>	<http://www.w3.org/2000/01/rdf-schema#comment>	"Whether the property must be filled in to complete the action.  Default is false." .