[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [DOM](./puppeteer.protocol.dom.md) > [CollectClassNamesFromSubtreeRequest](./puppeteer.protocol.dom.collectclassnamesfromsubtreerequest.md) ## Protocol.DOM.CollectClassNamesFromSubtreeRequest interface Signature: ```typescript export interface CollectClassNamesFromSubtreeRequest ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [nodeId](./puppeteer.protocol.dom.collectclassnamesfromsubtreerequest.nodeid.md) | [NodeId](./puppeteer.protocol.dom.nodeid.md) | Id of the node to collect class names. |