API Reference > presentation-common > PresentationRules > InstanceLabelOverrideCompositeValueSpecification InstanceLabelOverrideCompositeValueSpecification Interface Specification that allows creating a label value composited using multiple other specifications. Extends InstanceLabelOverrideValueSpecificationBase Properties Name Type Description parts { isRequired?: boolean, spec: InstanceLabelOverrideValueSpecification }[] Parts of the value. separator undefined | string Separator to use when joining the parts. specType Composite Type of the specification Defined in presentation/common/src/presentation-common/rules/customization/InstanceLabelOverride.ts Line 68 Last Updated: 29 November, 2022