voluptasmollitia/docs-exp/firestore_lite.initializefirestore.md

Monorepo for the Firebase JavaScript SDK

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[Home](./index.md) &gt; [@firebase/firestore](./firestore.md) &gt; [lite](./firestore_lite.md) &gt; [initializeFirestore](./firestore_lite.initializefirestore.md)

## initializeFirestore() function

Initializes a new instance of Cloud Firestore with the provided settings. Can only be called before any other functions, including [getFirestore()](./firestore_.getfirestore.md)<!-- -->. If the custom settings are empty, this function is equivalent to calling [getFirestore()](./firestore_.getfirestore.md)<!-- -->.

<b>Signature:</b>

```typescript
export declare function initializeFirestore(app: FirebaseApp, settings: Settings): FirebaseFirestore;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  app | [FirebaseApp](./app.firebaseapp.md) | The [FirebaseApp](./app.firebaseapp.md) with which the <code>Firestore</code> instance will be associated. |
|  settings | [Settings](./firestore_lite.settings.md) | A settings object to configure the <code>Firestore</code> instance. |

<b>Returns:</b>

[FirebaseFirestore](./firestore_lite.firebasefirestore.md)

A newly initialized Firestore instance.