Optional ReadonlyinAllowed values (closed enumeration).
When specified, values must be members of this list. Empty arrays are ignored.
Inheritance — intersection of parent and child sets; empty result is reported as an error.
Optional ReadonlyhasRequired values that must be present.
When specified, all listed values must appear in the resource. Empty arrays are ignored.
Inheritance — union of parent and child required values; child must require all parent values.
Value constraints for textual shape factories.
Restricts the admissible values of a shape to a closed enumeration or pins values that must be present. Accepted on its own by the format-specific factories, whose lexical space is already fixed, and included in the full StringConstraints set.
See
SHACL § 4.8 Other Constraint Components