API Reference > presentation-common > PresentationRules > RelatedInstanceSpecificationNew RelatedInstanceSpecificationNew Interface Beta Updated RelatedInstanceSpecification specification. Properties Name Type Description alias string The alias to give for the joined related instance. isRequired undefined | boolean Is the related instance required to exist. relationshipPath RelationshipPathSpecification Relationship path to find the related instance. Defined in presentation/common/src/rules/RelatedInstanceSpecification.ts Line 109 Last Updated: 13 June, 2024