[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Overlay](./puppeteer.protocol.overlay.md) > [HighlightNodeRequest](./puppeteer.protocol.overlay.highlightnoderequest.md) > [backendNodeId](./puppeteer.protocol.overlay.highlightnoderequest.backendnodeid.md) ## Protocol.Overlay.HighlightNodeRequest.backendNodeId property Identifier of the backend node to highlight. Signature: ```typescript backendNodeId?: DOM.BackendNodeId; ```