---
layout: page
title: "check_config"
description: "Script to perform a check of the current configuration"
release_date: 2017-02-23 11:00:00
sidebar: true
comments: false
sharing: true
footer: true
redirect_from: /docs/tools/scripts/#configuration-check
---

Test any changes to your `configuration.yaml` file before launching Home Assistant. This script allows you to test changes without the need to restart Home Assistant.

```bash
$ hass --script check_config
```