API Reference > presentation-common > PresentationRules > PropertyGroup > createGroupForUnspecifiedValues createGroupForUnspecifiedValues createGroupForUnspecifiedValues: undefined | boolean Should a separate grouping node be created for nodes whose grouping value is not set or is an empty string. Defaults to true. Defined in presentation/common/src/presentation-common/rules/customization/GroupingRule.ts Line 165 Last Updated: 12 June, 2024