API Reference > presentation-common > PresentationRules > RelatedInstanceNodesSpecificationNew RelatedInstanceNodesSpecificationNew Interface Beta Extends ChildNodeSpecificationBase DefaultGroupingPropertiesContainer Properties Name Type Description instanceFilter undefined | string Condition for filtering instances targeted by specified relationship paths. relationshipPaths RepeatableRelationshipPathSpecification[] Relationship paths from parent node instance class to child node instances' class. specType RelatedInstanceNodes Used for serializing to JSON. Inherited properties Name Type Inherited from Description doNotSort undefined | boolean ChildNodeSpecificationBase Set this flag to true to suppress default sorting of ECInstances returned by this specification. groupByClass undefined | boolean DefaultGroupingPropertiesContainer Group instances by ECClass. groupByLabel undefined | boolean DefaultGroupingPropertiesContainer Group instances by label. hasChildren "Always" = undefined | "Never" = undefined | "Unknown" = undefined ChildNodeSpecificationBase This tells the rules engine that nodes produced using this hideExpression undefined | string ChildNodeSpecificationBase An ECExpression which hideIfNoChildren undefined | boolean ChildNodeSpecificationBase Hide nodes if they don't have children. hideNodesInHierarchy undefined | boolean ChildNodeSpecificationBase Hide nodes provided by this specification and directly show nodes of its children. nestedRules undefined | ChildNodeRule[] ChildNodeSpecificationBase Nested rule specifications. priority undefined | number ChildNodeSpecificationBase Defines the order in which specifications are evaluated and executed. relatedInstances undefined | RelatedInstanceSpecification[] ChildNodeSpecificationBase Specifications of related instances that can be used in content creation. Defined in presentation/common/src/rules/hierarchy/RelatedInstanceNodesSpecification.ts Line 82 Last Updated: 13 June, 2024