API Reference > ecschema-Metadata > Metadata > RelationshipConstraintProps RelationshipConstraintProps Interface Beta Properties Name Type Description abstractConstraint Readonly undefined | string constraintClasses Readonly string[] multiplicity Readonly string polymorphic Readonly boolean roleLabel Readonly string Defined in core/ecschema-metadata/src/Deserialization/JsonProps.ts Line 123 Last Updated: 11 June, 2024