puppeteer/website/versioned_docs/version-22.8.1/api/puppeteer.configuration.md
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---
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
<table><thead><tr><th>
Property
</th><th>
Modifiers
</th><th>
Type
</th><th>
Description
</th><th>
Default
</th></tr></thead>
<tbody><tr><td>
<span id="browserrevision">browserRevision</span>
</td><td>
`optional`
</td><td>
string
</td><td>
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.
Use a specific browser version (e.g., 119.0.6045.105). If you use an alias such `stable` or `canary` it will only work during the installation of Puppeteer and it will fail when launching the browser.
</td><td>
The pinned browser version supported by the current Puppeteer version.
</td></tr>
<tr><td>
<span id="cachedirectory">cacheDirectory</span>
</td><td>
`optional`
</td><td>
string
</td><td>
Defines the directory to be used by Puppeteer for caching.
Can be overridden by `PUPPETEER_CACHE_DIR`.
</td><td>
`path.join(os.homedir(), '.cache', 'puppeteer')`
</td></tr>
<tr><td>
<span id="defaultproduct">defaultProduct</span>
</td><td>
`optional`
</td><td>
[Product](./puppeteer.product.md)
</td><td>
Specifies which browser you'd like Puppeteer to use.
Can be overridden by `PUPPETEER_PRODUCT`.
</td><td>
`chrome`
</td></tr>
<tr><td>
<span id="downloadbaseurl">downloadBaseUrl</span>
</td><td>
`optional`
</td><td>
string
</td><td>
Specifies the URL prefix that is used to download the browser.
Can be overridden by `PUPPETEER_DOWNLOAD_BASE_URL`.
**Remarks:**
This must include the protocol and may even need a path prefix.
</td><td>
Either https://storage.googleapis.com/chrome-for-testing-public or https://archive.mozilla.org/pub/firefox/nightly/latest-mozilla-central, depending on the product.
</td></tr>
<tr><td>
<span id="executablepath">executablePath</span>
</td><td>
`optional`
</td><td>
string
</td><td>
Specifies an executable path to be used in [puppeteer.launch](./puppeteer.puppeteernode.launch.md).
Can be overridden by `PUPPETEER_EXECUTABLE_PATH`.
</td><td>
**Auto-computed.**
</td></tr>
<tr><td>
<span id="experiments">experiments</span>
</td><td>
`optional`
</td><td>
[ExperimentsConfiguration](./puppeteer.experimentsconfiguration.md)
</td><td>
Defines experimental options for Puppeteer.
</td><td>
</td></tr>
<tr><td>
<span id="loglevel">logLevel</span>
</td><td>
`optional`
</td><td>
'silent' \| 'error' \| 'warn'
</td><td>
Tells Puppeteer to log at the given level.
</td><td>
`warn`
</td></tr>
<tr><td>
<span id="skipchromedownload">skipChromeDownload</span>
</td><td>
`optional`
</td><td>
boolean
</td><td>
Tells Puppeteer to not Chrome download during installation.
Can be overridden by `PUPPETEER_SKIP_CHROME_DOWNLOAD`.
</td><td>
</td></tr>
<tr><td>
<span id="skipchromeheadlessshelldownload">skipChromeHeadlessShellDownload</span>
</td><td>
`optional`
</td><td>
boolean
</td><td>
Tells Puppeteer to not chrome-headless-shell download during installation.
Can be overridden by `PUPPETEER_SKIP_CHROME_HEADLESS_SHELL_DOWNLOAD`.
</td><td>
</td></tr>
<tr><td>
<span id="skipdownload">skipDownload</span>
</td><td>
`optional`
</td><td>
boolean
</td><td>
Tells Puppeteer to not download during installation.
Can be overridden by `PUPPETEER_SKIP_DOWNLOAD`.
</td><td>
</td></tr>
<tr><td>
<span id="temporarydirectory">temporaryDirectory</span>
</td><td>
`optional`
</td><td>
string
</td><td>
Defines the directory to be used by Puppeteer for creating temporary files.
Can be overridden by `PUPPETEER_TMP_DIR`.
</td><td>
`os.tmpdir()`
</td></tr>
</tbody></table>