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---
lang: en
title: 'API docs: repository.defaultbelongstorepository._constructor_'
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.defaultbelongstorepository._constructor_.html
---
<!-- Do not edit this file. It is automatically generated by API Documenter. -->
[Home](./index.md) > [@loopback/repository](./repository.md) > [DefaultBelongsToRepository](./repository.defaultbelongstorepository.md) > [(constructor)](./repository.defaultbelongstorepository._constructor_.md)
## DefaultBelongsToRepository.(constructor)
Constructor of DefaultBelongsToEntityCrudRepository
<b>Signature:</b>
```typescript
constructor(getTargetRepository: Getter<TargetRepository>, constraint: DataObject<TargetEntity>);
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| getTargetRepository | [Getter](./context.getter.md)<!-- --><TargetRepository> | the getter of the related target model repository instance |
| constraint | [DataObject](./repository.dataobject.md)<!-- --><TargetEntity> | the key value pair representing foreign key name to constrain the target repository instance |