---
lang: en
title: 'API docs: repository.getmodelrelations'
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.getmodelrelations.html
---

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[Home](./index.md) &gt; [@loopback/repository](./repository.md) &gt; [getModelRelations](./repository.getmodelrelations.md)

## getModelRelations() function

Get metadata of all relations defined on a given model class.

<b>Signature:</b>

```typescript
export declare function getModelRelations(modelCtor: typeof Model): RelationDefinitionMap;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  modelCtor | typeof [Model](./repository.model.md) | The model class (the constructor function). |

<b>Returns:</b>

[RelationDefinitionMap](./repository.relationdefinitionmap.md)

A map of relation definitions