[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Browser](./puppeteer.protocol.browser.md) > [SetDownloadBehaviorRequest](./puppeteer.protocol.browser.setdownloadbehaviorrequest.md) > [behavior](./puppeteer.protocol.browser.setdownloadbehaviorrequest.behavior.md) ## Protocol.Browser.SetDownloadBehaviorRequest.behavior property Whether to allow all or deny all download requests, or use default Chrome behavior if available (otherwise deny). \|allowAndName\| allows download and names files according to their dowmload guids. Signature: ```typescript behavior: ('deny' | 'allow' | 'allowAndName' | 'default'); ```