API Reference > imodeljs-frontend > Extensions > PendingExtension PendingExtension Class Beta Represents an Extension that we are attempting to load. Methods Name Description constructor(_tarFileUrl: string, loader: ExtensionLoader, args?: string[]): PendingExtension executor(resolve: ResolveFunc, reject: RejectFunc): void Properties Name Type Description args undefined | string[] loader ExtensionLoader promise Promise<Extension> reject undefined | RejectFunc resolve undefined | ResolveFunc Defined in core/frontend/src/extension/Extension.ts Line 120 Last Updated: 29 November, 2022