API Reference > presentation-common > Hierarchies > NodeKey NodeKey Namespace Function Name Description NodeKey.fromJSON Deserialize node key from JSON NodeKey.isClassGroupingNodeKey Checks if the supplied key is an ECClassGroupingNodeKey NodeKey.isGroupingNodeKey Checks if the supplied key is a grouping node key NodeKey.isInstancesNodeKey Checks if the supplied key is an ECInstancesNodeKey NodeKey.isLabelGroupingNodeKey Checks if the supplied key is a LabelGroupingNodeKey NodeKey.isPropertyGroupingNodeKey Checks if the supplied key is an ECPropertyGroupingNodeKey NodeKey.toJSON Serialize given NodeKey to JSON Defined in presentation/common/src/presentation-common/hierarchy/Key.ts Line 28 NodeKey Type alias One of the node key types NodeKey = BaseNodeKey | ECInstancesNodeKey | ECClassGroupingNodeKey | ECPropertyGroupingNodeKey | LabelGroupingNodeKey Defined in presentation/common/src/presentation-common/hierarchy/Key.ts Line 26 Last Updated: 29 November, 2022