veritatisdoloremque/docs-exp/auth-types.config.authdomain.md

Monorepo for the Firebase JavaScript SDK

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[Home](./index.md) &gt; [@firebase/auth-types](./auth-types.md) &gt; [Config](./auth-types.config.md) &gt; [authDomain](./auth-types.config.authdomain.md)

## Config.authDomain property

The domain at which the web widgets are hosted (provided via Firebase Config).

<b>Signature:</b>

```typescript
authDomain?: string;
```