Schema.org Validator

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
WARNING service/schema-org#ActionsUnboundPropertyAnnotation

The *-input properties are only supported within Action classes.

Try it
WARNING service/schema-org#ActionsUnboundPropertyAnnotation

The *-output properties are only supported within Action classes.