---
lang: en
title: 'API docs: rest-crud'
keywords: LoopBack 4.0, LoopBack 4
sidebar: lb4_sidebar
editurl: https://github.com/strongloop/loopback-next/tree/master/packages/rest-crud
permalink: /doc/en/lb4/apidocs.rest-crud.html
---

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[Home](./index.md) &gt; [@loopback/rest-crud](./rest-crud.md)

## rest-crud package

[@loopback/rest-crud](https://github.com/strongloop/loopback-next/tree/master/packages/rest-crud)

## Functions

|  Function | Description |
|  --- | --- |
|  [defineCrudRepositoryClass(entityClass)](./rest-crud.definecrudrepositoryclass.md) | Create (define) a repository class for the given model.<!-- -->Example usage:
```ts
const ProductRepository = defineCrudRepositoryClass(Product);

```
 |
|  [defineCrudRestController(modelCtor, options)](./rest-crud.definecrudrestcontroller.md) | Create (define) a CRUD Controller class for the given model.<!-- -->Example usage:
```ts
const ProductController = defineCrudRestController<
Product,
typeof Product.prototype.id,
'id'
>(Product, {basePath: '/products'});

inject('repositories.ProductRepository')(
 ProductController,
  undefined,
  0,
);

app.controller(ProductController);

```
 |

## Interfaces

|  Interface | Description |
|  --- | --- |
|  [CrudRestController](./rest-crud.crudrestcontroller.md) | This interface describes prototype members of the controller class returned by <code>defineCrudRestController</code>. |
|  [CrudRestControllerCtor](./rest-crud.crudrestcontrollerctor.md) | Constructor of the controller class returned by <code>defineCrudRestController</code>. |
|  [CrudRestControllerOptions](./rest-crud.crudrestcontrolleroptions.md) | Options to configure different aspects of a CRUD REST Controller. |
|  [RepositoryClass](./rest-crud.repositoryclass.md) |  |