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

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[Home](./index.md) &gt; [@loopback/rest](./rest.md) &gt; [ParseParamsProvider](./rest.parseparamsprovider.md) &gt; [(constructor)](./rest.parseparamsprovider._constructor_.md)

## ParseParamsProvider.(constructor)

Constructs a new instance of the `ParseParamsProvider` class

<b>Signature:</b>

```typescript
constructor(requestBodyParser: RequestBodyParser, validationOptions?: RequestBodyValidationOptions, ajvFactory?: AjvFactory | undefined);
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  requestBodyParser | <code>RequestBodyParser</code> |  |
|  validationOptions | <code>RequestBodyValidationOptions</code> |  |
|  ajvFactory | <code>AjvFactory &#124; undefined</code> |  |