API Reference > imodeljs-frontend > Tools > Tool > register register MethodStatic Register this Tool class with the ToolRegistry. register(namespace?: I18NNamespace, i18n?: I18N): void Parameter Type Description namespace I18NNamespace optional namespace to supply to ToolRegistry.register. If undefined, use namespace from superclass. i18n I18N optional internationalization services object (required only for externally hosted extensions). If undefined, use IModelApp.i18n. Returns - void Defined in core/frontend/src/tools/Tool.ts Line 357 Last Updated: 29 November, 2022