[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Accessibility](./puppeteer.protocol.accessibility.md) > [AXNode](./puppeteer.protocol.accessibility.axnode.md) > [backendDOMNodeId](./puppeteer.protocol.accessibility.axnode.backenddomnodeid.md) ## Protocol.Accessibility.AXNode.backendDOMNodeId property The backend ID for the associated DOM node, if any. Signature: ```typescript backendDOMNodeId?: DOM.BackendNodeId; ```