API Reference > presentation-common > Core > Key Key Namespace Function Name Description Key.isEntityProps Check if the supplied key is an EntityProps Key.isInstanceKey Check if the supplied key is an InstanceKey Key.isNodeKey Check if the supplied key is a NodeKey Defined in presentation/common/src/presentation-common/KeySet.ts Line 22 Key Type alias A single key that identifies something in iModel.js application Key = Readonly<NodeKey> | Readonly<InstanceKey> | Readonly<EntityProps> Defined in presentation/common/src/presentation-common/KeySet.ts Line 19 Last Updated: 12 June, 2024