API Reference > imodeljs-backend > iModels > ExportGraphicsOptions > partInstanceArray partInstanceArray partInstanceArray: undefined | ExportPartInstanceInfo[] If supplied, any references to GeometryPart elements found will be recorded in this array. In this case, graphics that would result from the GeometryPart will not be supplied via onGraphics. See IModelDb.exportPartGraphics Defined in core/backend/src/ExportGraphics.ts Line 158 Last Updated: 13 June, 2024