API Reference > presentation-common > Hierarchies > ECInstancesNodeKey ECInstancesNodeKey Interface Data structure that describes a node ECInstance node key Extends BaseNodeKey Properties Name Type Description instanceKeys InstanceKey[] List of InstanceKey objects of ECInstances represented by the node type ECInstancesNode Node type Inherited properties Name Type Inherited from Description pathFromRoot string[] BaseNodeKey Node hash path from root to the node whose key this is Defined in presentation/common/src/presentation-common/hierarchy/Key.ts Line 90 Last Updated: 29 November, 2022