[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [DOM](./puppeteer.protocol.dom.md) > [SetChildNodesEvent](./puppeteer.protocol.dom.setchildnodesevent.md) ## Protocol.DOM.SetChildNodesEvent interface Fired when backend wants to provide client with the missing DOM structure. This happens upon most of the calls requesting node ids. Signature: ```typescript export interface SetChildNodesEvent ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [nodes](./puppeteer.protocol.dom.setchildnodesevent.nodes.md) | [Node](./puppeteer.protocol.dom.node.md)\[\] | Child nodes array. | | [parentId](./puppeteer.protocol.dom.setchildnodesevent.parentid.md) | [NodeId](./puppeteer.protocol.dom.nodeid.md) | Parent node id to populate with children. |