<!-- Do not edit this file. It is automatically generated by API Documenter. --> [Home](./index.md) > [puppeteer](./puppeteer.md) > [FrameManager](./puppeteer.framemanager.md) > [initialize](./puppeteer.framemanager.initialize.md) ## FrameManager.initialize() method <b>Signature:</b> ```typescript initialize(): Promise<void>; ``` <b>Returns:</b> Promise<void>