voluptasmollitia/docs-exp/app.firebaseoptions.md

Monorepo for the Firebase JavaScript SDK

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[Home](./index.md) &gt; [@firebase/app](./app.md) &gt; [FirebaseOptions](./app.firebaseoptions.md)

## FirebaseOptions interface

Firebase configuration object

<b>Signature:</b>

```typescript
export interface FirebaseOptions 
```

## Properties

|  Property | Type | Description |
|  --- | --- | --- |
|  [apiKey?](./app.firebaseoptions.apikey.md) | string | <i>(Optional)</i> |
|  [appId?](./app.firebaseoptions.appid.md) | string | <i>(Optional)</i> |
|  [authDomain?](./app.firebaseoptions.authdomain.md) | string | <i>(Optional)</i> |
|  [databaseURL?](./app.firebaseoptions.databaseurl.md) | string | <i>(Optional)</i> |
|  [measurementId?](./app.firebaseoptions.measurementid.md) | string | <i>(Optional)</i> |
|  [messagingSenderId?](./app.firebaseoptions.messagingsenderid.md) | string | <i>(Optional)</i> |
|  [projectId?](./app.firebaseoptions.projectid.md) | string | <i>(Optional)</i> |
|  [storageBucket?](./app.firebaseoptions.storagebucket.md) | string | <i>(Optional)</i> |