API Reference > imodeljs-frontend > Rendering > FeatureSymbology > FeatureSymbology.Overrides > overrideSubCategory overrideSubCategory Method Specify overrides for all geometry belonging to the specified SubCategory. overrideSubCategory(id: Id64String, app: FeatureSymbology.Appearance, replaceExisting: boolean = true): void note These overrides have lower priority than element and model overrides. note If FeatureSymbology.Overrides.defaultOverrides are defined, they will not apply to any geometry within this subcategory, even if the supplied Appearance overrides nothing. Parameter Type Description id Id64String The Id of the subcategory. app FeatureSymbology.Appearance The symbology overrides. replaceExisting boolean Specifies whether to replace a pre-existing override for the same subcategory. Returns - void Defined in core/frontend/src/render/FeatureSymbology.ts Line 446 Last Updated: 13 June, 2024