API Reference > presentation-common > PresentationRules > GroupingSpecificationBase GroupingSpecificationBase Interface Base interface for all GroupingSpecification implementations. Not meant to be used directly, see GroupingSpecification. Properties Name Type Description specType GroupingSpecificationTypes Type of the subclass Defined in presentation/common/src/presentation-common/rules/customization/GroupingRule.ts Line 74 Last Updated: 12 June, 2024