---
title: abtest
slug: klevucore-reference/abtest
docTags: 
createdAt: 2023-11-09T09:45:59.073Z
---

▸ **abTest**(): `KlevuFetchModifer`

Enables AB test functionality. This will make extra request to Klevu servers and it is recommended only if you wish to use A/B testing feature.

Currently not supported in server side rendering.

### Returns

`KlevuFetchModifer`

### Defined in

[modifiers/abTest/abTest.ts:20](https://github.com/klevultd/frontend-sdk/blob/492d3760/packages/klevu-core/src/modifiers/abTest/abTest.ts#L20)