---
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 | optional | string |
Specifies a certain version of the browser you'd like Puppeteer to use.
Can be overridden by PUPPETEER_BROWSER_REVISION.
See [puppeteer.launch](./puppeteer.puppeteernode.launch.md) on how executable path is inferred.
| A compatible-revision of the browser. | | cacheDirectory |optional | string | Defines the directory to be used by Puppeteer for caching.
Can be overridden by PUPPETEER_CACHE_DIR.
path.join(os.homedir(), '.cache', 'puppeteer') |
| defaultProduct | optional | [Product](./puppeteer.product.md) | Specifies which browser you'd like Puppeteer to use.
Can be overridden by PUPPETEER_PRODUCT.
chrome |
| downloadBaseUrl | optional | string | Specifies the URL prefix that is used to download the browser.
Can be overridden by PUPPETEER_DOWNLOAD_BASE_URL.
optional | string | Specifies the path for the downloads folder.
Can be overridden by PUPPETEER_DOWNLOAD_PATH.
<cacheDirectory> |
| executablePath | optional | string | Specifies an executable path to be used in [puppeteer.launch](./puppeteer.puppeteernode.launch.md).
Can be overridden by PUPPETEER_EXECUTABLE_PATH.
optional | [ExperimentsConfiguration](./puppeteer.experimentsconfiguration.md) | Defines experimental options for Puppeteer. | |
| logLevel | optional | 'silent' \| 'error' \| 'warn' | Tells Puppeteer to log at the given level. | warn |
| skipDownload | optional | boolean | Tells Puppeteer to not download during installation.
Can be overridden by PUPPETEER_SKIP_DOWNLOAD.
optional | string | Defines the directory to be used by Puppeteer for creating temporary files.
Can be overridden by PUPPETEER_TMP_DIR.
os.tmpdir() |