[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [DOM](./puppeteer.protocol.dom.md) > [GetOuterHTMLRequest](./puppeteer.protocol.dom.getouterhtmlrequest.md) > [backendNodeId](./puppeteer.protocol.dom.getouterhtmlrequest.backendnodeid.md) ## Protocol.DOM.GetOuterHTMLRequest.backendNodeId property Identifier of the backend node. Signature: ```typescript backendNodeId?: BackendNodeId; ```