API Reference > imodeljs-common > Geometry > ExtantElementGeometryChange ExtantElementGeometryChange Interface Represents the insertion of a new GeometricElement, or a change to the geometric properties of an existing GeometricElement. see ElementGeometryChange. Properties Name Type Description id Readonly string The element's Id. range Readonly Range3d The element's range. type Readonly Insert | Update Indicates whether this change resulted from the insertion of a new element or modification of an existing one. Defined in core/common/src/ModelGeometryChanges.ts Line 50 Last Updated: 11 June, 2024