API Reference > imodeljs-common > Geometry > AreaFillProps AreaFillProps Interface Add a AreaFillProps.gradient, AreaFillProps.backgroundFill, or solid AreaFillProps.color fill to subsequent planar regions (or meshes). Only one value among AreaFillProps.gradient, AreaFillProps.backgroundFill, and AreaFillProps.color should be set. see GeometryStreamEntryProps Properties Name Type Description backgroundFill undefined | BackgroundFill Set fill color to view background color. color undefined | ColorDefProps Set fill color to a specific color. display FillDisplay Fill display type, must be set to something other than FillDisplay.Never to display fill gradient undefined | Gradient.SymbProps Set fill using gradient properties Beta transparency undefined | number Optional fill transparency, will be the same as outline transparency if undefined. Defined in core/common/src/geometry/GeometryStream.ts Line 67 Last Updated: 13 June, 2024