[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Page](./puppeteer.protocol.page.md) > [DownloadWillBeginEvent](./puppeteer.protocol.page.downloadwillbeginevent.md) > [guid](./puppeteer.protocol.page.downloadwillbeginevent.guid.md) ## Protocol.Page.DownloadWillBeginEvent.guid property Global unique identifier of the download. Signature: ```typescript guid: string; ```