API Reference > presentation-common > PresentationRules > DEPRECATED_RelatedInstanceNodesSpecification > requiredDirection requiredDirection requiredDirection: undefined | RelationshipDirection Direction that will be followed in the relationship select criteria. Defaults to RelationshipDirection.Both. Defined in presentation/common/src/presentation-common/rules/hierarchy/RelatedInstanceNodesSpecification.ts Line 37 Last Updated: 11 June, 2024