---
lang: en
title: 'API docs: repository.baserepositoryclass._new_'
keywords: LoopBack 4.0, LoopBack 4
sidebar: lb4_sidebar
editurl: https://github.com/strongloop/loopback-next/tree/master/packages/repository
permalink: /doc/en/lb4/apidocs.repository.baserepositoryclass._new_.html
---

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[Home](./index.md) &gt; [@loopback/repository](./repository.md) &gt; [BaseRepositoryClass](./repository.baserepositoryclass.md) &gt; [(new)](./repository.baserepositoryclass._new_.md)

## BaseRepositoryClass.(new)

The constructor for the generated repository class

<b>Signature:</b>

```typescript
new (modelClass: M, dataSource: juggler.DataSource): R;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  modelClass | M | Model class |
|  dataSource | juggler.DataSource | DataSource object |

<b>Returns:</b>

R


