# Source: https://vitest.dev/guide/ui.md

# Source: https://vitest.dev/config/browser/ui.md

# Source: https://vitest.dev/config/ui.md

---
url: /config/ui.md
---

# ui&#x20;

* **Type:** `boolean`
* **Default:** `false`
* **CLI:** `--ui`, `--ui=false`

Enable [Vitest UI](/guide/ui).

::: warning
This features requires a [`@vitest/ui`](https://www.npmjs.com/package/@vitest/ui) package to be installed. If you do not have it already, Vitest will install it when you run the test command for the first time.
:::