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

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[Home](./index.md) &gt; [@loopback/repository](./repository.md) &gt; [RELATIONS\_KEY](./repository.relations_key.md)

## RELATIONS\_KEY variable

<b>Signature:</b>

```typescript
RELATIONS_KEY = "loopback:relations"
```

