[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [DOM](./puppeteer.protocol.dom.md) > [DescribeNodeRequest](./puppeteer.protocol.dom.describenoderequest.md) > [nodeId](./puppeteer.protocol.dom.describenoderequest.nodeid.md) ## Protocol.DOM.DescribeNodeRequest.nodeId property Identifier of the node. Signature: ```typescript nodeId?: NodeId; ```