API Reference > presentation-common > PresentationRules > InstanceLabelOverrideClassLabelSpecification InstanceLabelOverrideClassLabelSpecification Interface Specification that uses ECClass display label as the label content. Extends InstanceLabelOverrideValueSpecificationBase Properties Name Type Description specType ClassLabel Defined in presentation/common/src/rules/customization/InstanceLabelOverride.ts Line 111 Last Updated: 13 June, 2024