--- sidebar_label: Configuration --- # Configuration interface Defines options to configure Puppeteer's behavior during installation and runtime. See individual properties for more information. #### Signature: ```typescript export interface Configuration ``` ## Properties | Property | Modifiers | Type | Description | Default | | ------------------ | --------------------- | ------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | browserRevision | <code>optional</code> | string | <p>Specifies a certain version of the browser you'd like Puppeteer to use.</p><p>Can be overridden by <code>PUPPETEER_BROWSER_REVISION</code>.</p><p>See [puppeteer.launch](./puppeteer.puppeteernode.launch.md) on how executable path is inferred.</p> | A compatible-revision of the browser. | | cacheDirectory | <code>optional</code> | string | <p>Defines the directory to be used by Puppeteer for caching.</p><p>Can be overridden by <code>PUPPETEER_CACHE_DIR</code>.</p> | <code>path.join(os.homedir(), '.cache', 'puppeteer')</code> | | defaultProduct | <code>optional</code> | [Product](./puppeteer.product.md) | <p>Specifies which browser you'd like Puppeteer to use.</p><p>Can be overridden by <code>PUPPETEER_PRODUCT</code>.</p> | <code>chrome</code> | | downloadBaseUrl | <code>optional</code> | string | <p>Specifies the URL prefix that is used to download the browser.</p><p>Can be overridden by <code>PUPPETEER_DOWNLOAD_BASE_URL</code>.</p> | Either https://edgedl.me.gvt1.com/edgedl/chrome/chrome-for-testing or https://archive.mozilla.org/pub/firefox/nightly/latest-mozilla-central, depending on the product. | | downloadPath | <code>optional</code> | string | <p>Specifies the path for the downloads folder.</p><p>Can be overridden by <code>PUPPETEER_DOWNLOAD_PATH</code>.</p> | <code><cacheDirectory></code> | | executablePath | <code>optional</code> | string | <p>Specifies an executable path to be used in [puppeteer.launch](./puppeteer.puppeteernode.launch.md).</p><p>Can be overridden by <code>PUPPETEER_EXECUTABLE_PATH</code>.</p> | **Auto-computed.** | | experiments | <code>optional</code> | [ExperimentsConfiguration](./puppeteer.experimentsconfiguration.md) | Defines experimental options for Puppeteer. | | | logLevel | <code>optional</code> | 'silent' \| 'error' \| 'warn' | Tells Puppeteer to log at the given level. | <code>warn</code> | | skipDownload | <code>optional</code> | boolean | <p>Tells Puppeteer to not download during installation.</p><p>Can be overridden by <code>PUPPETEER_SKIP_DOWNLOAD</code>.</p> | | | temporaryDirectory | <code>optional</code> | string | <p>Defines the directory to be used by Puppeteer for creating temporary files.</p><p>Can be overridden by <code>PUPPETEER_TMP_DIR</code>.</p> | <code>os.tmpdir()</code> |