voluptasmollitia/docs-exp/firestore_.documentsnapshot.data.md

Monorepo for the Firebase JavaScript SDK

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[Home](./index.md) &gt; [@firebase/firestore](./firestore.md) &gt; [/](./firestore_.md) &gt; [DocumentSnapshot](./firestore_.documentsnapshot.md) &gt; [data](./firestore_.documentsnapshot.data.md)

## DocumentSnapshot.data() method

Retrieves all fields in the document as an `Object`<!-- -->. Returns `undefined` if the document doesn't exist.

By default, `FieldValue.serverTimestamp()` values that have not yet been set to their final value will be returned as `null`<!-- -->. You can override this by passing an options object.

<b>Signature:</b>

```typescript
data(options?: SnapshotOptions): T | undefined;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  options | [SnapshotOptions](./firestore_.snapshotoptions.md) | An options object to configure how data is retrieved from the snapshot (for example the desired behavior for server timestamps that have not yet been set to their final value). |

<b>Returns:</b>

T \| undefined

An `Object` containing all fields in the document or `undefined` if the document doesn't exist.