puppeteer/docs/api/puppeteer.puppeteerlaunchoptions.extraprefsfirefox.md

---
sidebar_label: PuppeteerLaunchOptions.extraPrefsFirefox
---

# PuppeteerLaunchOptions.extraPrefsFirefox property

**Signature:**

```typescript
interface PuppeteerLaunchOptions {
  extraPrefsFirefox?: Record<string, unknown>;
}
```