API Reference > presentation-common > PresentationRules > PropertyRangeGroupSpecification > imageId imageId imageId: undefined | string ID of an image to use for the grouping node. Defaults to PropertyGroup.imageId specified in PropertyGroup. minlength 1 Defined in presentation/common/src/presentation-common/rules/customization/GroupingRule.ts Line 218 Last Updated: 11 June, 2024