[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Page](./puppeteer.protocol.page.md) > [LifecycleEventEvent](./puppeteer.protocol.page.lifecycleeventevent.md) > [frameId](./puppeteer.protocol.page.lifecycleeventevent.frameid.md) ## Protocol.Page.LifecycleEventEvent.frameId property Id of the frame. Signature: ```typescript frameId: FrameId; ```