[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [DOM](./puppeteer.protocol.dom.md) > [ResolveNodeRequest](./puppeteer.protocol.dom.resolvenoderequest.md) > [backendNodeId](./puppeteer.protocol.dom.resolvenoderequest.backendnodeid.md) ## Protocol.DOM.ResolveNodeRequest.backendNodeId property Backend identifier of the node to resolve. Signature: ```typescript backendNodeId?: DOM.BackendNodeId; ```