[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Overlay](./puppeteer.protocol.overlay.md) > [HighlightFrameRequest](./puppeteer.protocol.overlay.highlightframerequest.md) > [frameId](./puppeteer.protocol.overlay.highlightframerequest.frameid.md) ## Protocol.Overlay.HighlightFrameRequest.frameId property Identifier of the frame to highlight. Signature: ```typescript frameId: Page.FrameId; ```