[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Page](./puppeteer.protocol.page.md) > [FrameId](./puppeteer.protocol.page.frameid.md) ## Protocol.Page.FrameId type Unique frame identifier. Signature: ```typescript export type FrameId = string; ```