veritatisdoloremque/docs-exp/firestore_lite.documentreference.withconverter.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; [DocumentReference](./firestore_lite.documentreference.md) &gt; [withConverter](./firestore_lite.documentreference.withconverter.md)

## DocumentReference.withConverter() method

Applies a custom data converter to this `DocumentReference`<!-- -->, allowing you to use your own custom model objects with Firestore. When you call , [getDoc()](./firestore_.getdoc.md)<!-- -->, etc. with the returned `DocumentReference` instance, the provided converter will convert between Firestore data and your custom type `U`<!-- -->.

Passing in `null` as the converter parameter removes the current converter.

<b>Signature:</b>

```typescript
withConverter(converter: null): DocumentReference<DocumentData>;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  converter | null | Converts objects to and from Firestore. Passing in <code>null</code> removes the current converter. |

<b>Returns:</b>

[DocumentReference](./firestore_lite.documentreference.md)<!-- -->&lt;[DocumentData](./firestore_lite.documentdata.md)<!-- -->&gt;

A `DocumentReference<U>` that uses the provided converter.