<!-- Do not edit this file. It is automatically generated by API Documenter. --> [Home](./index.md) > [puppeteer](./puppeteer.md) > [CDPSessionOnMessageObject](./puppeteer.cdpsessiononmessageobject.md) > [error](./puppeteer.cdpsessiononmessageobject.error.md) ## CDPSessionOnMessageObject.error property <b>Signature:</b> ```typescript error: { message: string; data: any; }; ```