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---
lang: en
title: 'API docs: rest.requestbodyparseroptions.validation'
keywords: LoopBack 4.0, LoopBack 4, Node.js, TypeScript, OpenAPI
sidebar: lb4_sidebar
editurl: https://github.com/loopbackio/loopback-next/tree/master/packages/rest
permalink: /doc/en/lb4/apidocs.rest.requestbodyparseroptions.validation.html
---
<!-- Do not edit this file. It is automatically generated by API Documenter. -->
[Home](./index.md) > [@loopback/rest](./rest.md) > [RequestBodyParserOptions](./rest.requestbodyparseroptions.md) > [validation](./rest.requestbodyparseroptions.validation.md)
## RequestBodyParserOptions.validation property
Validation options for AJV, see https://github.com/epoberezkin/ajv\#options This setting is global for all request body parsers and it cannot be overridden inside parser specific properties such as `json` or `text`<!-- -->.
<b>Signature:</b>
```typescript
validation?: ValidationOptions;
```