API Reference > presentation-common > PresentationRules > InstanceLabelOverrideBriefcaseIdSpecification InstanceLabelOverrideBriefcaseIdSpecification Interface Specification that returns ECInstance's briefcase ID in base36 format. Extends InstanceLabelOverrideValueSpecificationBase Properties Name Type Description specType BriefcaseId Defined in presentation/common/src/rules/customization/InstanceLabelOverride.ts Line 119 Last Updated: 13 June, 2024