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

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[Home](./index.md) &gt; [@loopback/repository](./repository.md) &gt; [RelationDefinitionBase](./repository.relationdefinitionbase.md) &gt; [type](./repository.relationdefinitionbase.type.md)

## RelationDefinitionBase.type property

The type of the relation, must be one of RelationType values.

**Signature:**

```typescript
type: RelationType;
```