puppeteer/website/versioned_docs/version-22.6.3/browsers-api/browsers.installoptions.md

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InstallOptions

InstallOptions interface

Signature:

export interface InstallOptions

Properties

Property	Modifiers	Type	Description	Default
baseUrl	optional	string	Determines the host that will be used for downloading.	Either https://storage.googleapis.com/chrome-for-testing-public or - https://archive.mozilla.org/pub/firefox/nightly/latest-mozilla-central
browser		Browser	Determines which browser to install.
buildId		string	Determines which buildId to download. BuildId should uniquely identify binaries and they are used for caching.
buildIdAlias	optional	string	An alias for the provided buildId. It will be used to maintain local metadata to support aliases in the launch command.
cacheDir		string	Determines the path to download browsers to.
downloadProgressCallback	optional	(downloadedBytes: number, totalBytes: number) => void	Provides information about the progress of the download.
platform	optional	BrowserPlatform	Determines which platform the browser will be suited for.	Auto-detected.
unpack	optional	boolean	Whether to unpack and install browser archives.	true