API Reference > imodeljs-frontend > Extensions > Extension > onLoad onLoad Method Method called when the Extension is first loaded. onLoad(_args: string[]): Promise<void> Parameter Type Description _args string[] arguments that were passed to ExtensionAdmin.loadExtension. The first argument is the extension name. Returns - Promise<void> Defined in core/frontend/src/extension/Extension.ts Line 68 Last Updated: 12 June, 2024