---
lang: en
title: 'API docs: repository.connectorinterfaces.strongrelation'
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.connectorinterfaces.strongrelation.html
---

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[Home](./index.md) &gt; [@loopback/repository](./repository.md) &gt; [ConnectorInterfaces](./repository.connectorinterfaces.md) &gt; [StrongRelation](./repository.connectorinterfaces.strongrelation.md)

## ConnectorInterfaces.StrongRelation enum

Strong relation interfaces adopted by a [Connector](./repository.connector.md)

<b>Signature:</b>

```typescript
const enum StrongRelation 
```

## Enumeration Members

|  Member | Value | Description |
|  --- | --- | --- |
|  BELONGS\_TO | <code>&quot;strongBelongsTo&quot;</code> |  |
|  EMBEDS\_MANY | <code>&quot;strongEmbedsMany&quot;</code> |  |
|  EMBEDS\_ONE | <code>&quot;strongEmbedsOne&quot;</code> |  |
|  HAS\_AND\_BELONGS\_TO\_MANY | <code>&quot;strongHasAndBelongsToMany&quot;</code> |  |
|  HAS\_MANY | <code>&quot;strongHasMany&quot;</code> |  |
|  HAS\_MANY\_THROUGH | <code>&quot;strongHasManyThrough&quot;</code> |  |
|  HAS\_ONE | <code>&quot;strongHasOne&quot;</code> |  |
|  REFERNCES\_MANY | <code>&quot;strongReferencesMany&quot;</code> |  |