API Reference > imodeljs-frontend > Views > CategorySelectorState > changeCategoryDisplay changeCategoryDisplay Method Add or remove categories from this CategorySelector. changeCategoryDisplay(arg: Id64Arg, add: boolean): void Parameter Type Description arg Id64Arg The categories to add or remove add boolean If true, categories will be added; otherwise they will be removed. Returns - void Defined in core/frontend/src/CategorySelectorState.ts Line 79 Last Updated: 13 June, 2024