[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Accessibility](./puppeteer.protocol.accessibility.md) > [QueryAXTreeRequest](./puppeteer.protocol.accessibility.queryaxtreerequest.md) > [nodeId](./puppeteer.protocol.accessibility.queryaxtreerequest.nodeid.md) ## Protocol.Accessibility.QueryAXTreeRequest.nodeId property Identifier of the node for the root to query. Signature: ```typescript nodeId?: DOM.NodeId; ```