[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Page](./puppeteer.protocol.page.md) > [CreateIsolatedWorldRequest](./puppeteer.protocol.page.createisolatedworldrequest.md) > [worldName](./puppeteer.protocol.page.createisolatedworldrequest.worldname.md) ## Protocol.Page.CreateIsolatedWorldRequest.worldName property An optional name which is reported in the Execution Context. Signature: ```typescript worldName?: string; ```