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

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[Home](./index.md) &gt; [@loopback/repository](./repository.md) &gt; [RepositoryMetadata](./repository.repositorymetadata.md) &gt; [dataSource](./repository.repositorymetadata.datasource.md)

## RepositoryMetadata.dataSource property

Instance of the data source

<b>Signature:</b>

```typescript
dataSource?: juggler.DataSource | DataSource;
```