API Reference > presentation-common > Hierarchies > NodeKey > NodeKey.isInstanceNodeKey NodeKey.isInstanceNodeKey Function Deprecated Will be removed with StandardNodeTypes.ECInstanceNode. Consider using StandardNodeTypes.ECInstancesNode and related APIs. Checks if the supplied key is an ECInstanceNodeKey isInstanceNodeKey(key: NodeKey): key is ECInstanceNodeKey Parameter Type Description key NodeKey Returns - key is ECInstanceNodeKey Defined in presentation/common/src/hierarchy/Key.ts Line 63 Last Updated: 13 June, 2024