API Reference > presentation-common > PresentationRules > InstanceNodesOfSpecificClassesSpecification > instanceFilter instanceFilter instanceFilter: undefined | string Condition for filtering instances of defined classes. See: ECExpressions Available in InstanceFilter. Defined in presentation/common/src/presentation-common/rules/hierarchy/InstanceNodesOfSpecificClassesSpecification.ts Line 37 Last Updated: 11 June, 2024