@loopback/docs/site/apidocs/repository.crudrepository.updateall.md

Documentation for LoopBack 4

---
lang: en
title: 'API docs: repository.crudrepository.updateall'
keywords: LoopBack 4.0, LoopBack 4
sidebar: lb4_sidebar
permalink: /doc/en/lb4/apidocs.repository.crudrepository.updateall.html
---

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[Home](./index.md) &gt; [@loopback/repository](./repository.md) &gt; [CrudRepository](./repository.crudrepository.md) &gt; [updateAll](./repository.crudrepository.updateall.md)

## CrudRepository.updateAll() method

Updating matching records with attributes from the data object

<b>Signature:</b>

```typescript
updateAll(dataObject: DataObject<T>, where?: Where<T>, options?: Options): Promise<Count>;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  dataObject | <code>DataObject&lt;T&gt;</code> | The data to be updated |
|  where | <code>Where&lt;T&gt;</code> | Matching criteria |
|  options | <code>Options</code> | Options for the operations |

<b>Returns:</b>

`Promise<Count>`

A promise of number of records updated