[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [DOM](./puppeteer.protocol.dom.md) > [ChildNodeCountUpdatedEvent](./puppeteer.protocol.dom.childnodecountupdatedevent.md) > [nodeId](./puppeteer.protocol.dom.childnodecountupdatedevent.nodeid.md) ## Protocol.DOM.ChildNodeCountUpdatedEvent.nodeId property Id of the node that has changed. Signature: ```typescript nodeId: NodeId; ```