[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Accessibility](./puppeteer.protocol.accessibility.md) > [QueryAXTreeRequest](./puppeteer.protocol.accessibility.queryaxtreerequest.md) > [objectId](./puppeteer.protocol.accessibility.queryaxtreerequest.objectid.md) ## Protocol.Accessibility.QueryAXTreeRequest.objectId property JavaScript object id of the node wrapper for the root to query. Signature: ```typescript objectId?: Runtime.RemoteObjectId; ```