API Reference > presentation-common > Hierarchies > ECPropertyGroupingNodeKey ECPropertyGroupingNodeKey Interface Data structure that describes an ECProperty grouping node key Extends GroupingNodeKey Properties Name Type Description className string Full name of the grouping ECProperty class groupingValue any Grouping value propertyName string Name of the ECProperty type ECPropertyGroupingNode Inherited properties Name Type Inherited from Description groupedInstancesCount number GroupingNodeKey Get the number of instances grouped by the node represented pathFromRoot string[] BaseNodeKey Node hash path from root to the node whose key this is Defined in presentation/common/src/hierarchy/Key.ts Line 201 Last Updated: 13 June, 2024