Schema.org

Actions: Unbound Constraint

This message indicates that an annotation property (matching *-input or *-output) was found on a non-Action resource. The behavior of these properties, outside of an Action, is undefined and should not be used.

Learn more from the official Potential Actions documentation.

Examples

Try it
{ "@context": "http://schema.org",
  "@type": "CreativeWork",
  "query-input": "name=q" }
Try it
{ "@context": "http://schema.org",
  "@type": "CreativeWork",
  "result-output": "required" }