--- sidebar_label: BrowserLaunchArgumentOptions --- # BrowserLaunchArgumentOptions interface Launcher options that only apply to Chrome. #### Signature: ```typescript export interface BrowserLaunchArgumentOptions ``` ## Properties | Property | Modifiers | Type | Description | Default | | --------------------------------------------------------------------------- | --------- | ---------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------ | | [args?](./puppeteer.browserlaunchargumentoptions.args.md) | | string\[\] | _(Optional)_ Additional command line arguments to pass to the browser instance. | | | [debuggingPort?](./puppeteer.browserlaunchargumentoptions.debuggingport.md) | | number | _(Optional)_ | | | [devtools?](./puppeteer.browserlaunchargumentoptions.devtools.md) | | boolean | _(Optional)_ Whether to auto-open a DevTools panel for each tab. If this is set to true, then headless will be forced to false. | false | | [headless?](./puppeteer.browserlaunchargumentoptions.headless.md) | | boolean \| 'new' | _(Optional)_ Whether to run the browser in headless mode. | true | | [userDataDir?](./puppeteer.browserlaunchargumentoptions.userdatadir.md) | | string | _(Optional)_ Path to a user data directory. [see the Chromium docs](https://chromium.googlesource.com/chromium/src/+/refs/heads/main/docs/user_data_dir.md) for more info. | |