[Home](./index.md) > [puppeteer](./puppeteer.md) > [CDPSessionOnMessageObject](./puppeteer.cdpsessiononmessageobject.md) > [error](./puppeteer.cdpsessiononmessageobject.error.md) ## CDPSessionOnMessageObject.error property Signature: ```typescript error: { message: string; data: any; }; ```