puppeteer/website/versioned_docs/version-21.2.1/api/puppeteer.configuration.md

---
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>&lt;cacheDirectory&gt;</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>                                                                                                                                                |