@loopback/docs/site/apidocs/rest.validationoptions.ajvkeywords.md

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---
lang: en
title: 'API docs: rest.validationoptions.ajvkeywords'
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.validationoptions.ajvkeywords.html
---

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[Home](./index.md) &gt; [@loopback/rest](./rest.md) &gt; [ValidationOptions](./rest.validationoptions.md) &gt; [ajvKeywords](./rest.validationoptions.ajvkeywords.md)

## ValidationOptions.ajvKeywords property

Enable additional AJV keywords from https://github.com/epoberezkin/ajv-keywords - `string[]`<!-- -->: Add an array of keywords from `ajv-keywords`

<b>Signature:</b>

```typescript
ajvKeywords?: string[];
```