[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Runtime](./puppeteer.protocol.runtime.md) > [RemoteObject](./puppeteer.protocol.runtime.remoteobject.md) > [objectId](./puppeteer.protocol.runtime.remoteobject.objectid.md) ## Protocol.Runtime.RemoteObject.objectId property Unique object identifier (for non-primitive values). Signature: ```typescript objectId?: RemoteObjectId; ```