API Reference > presentation-common > Hierarchies > GroupingNodeKey GroupingNodeKey Interface Data structure that describes a grouping node key Extends BaseNodeKey Properties Name Type Description groupedInstancesCount number Get the number of instances grouped by the node represented Inherited properties Name Type Inherited from Description pathFromRoot string[] BaseNodeKey Node hash path from root to the node whose key this is type string BaseNodeKey Node type Defined in presentation/common/src/hierarchy/Key.ts Line 176 Last Updated: 13 June, 2024