To do this, go to Developer Tools > YAML and scroll down to the YAML configuration reloading section (alternatively, hit “c” anywhere in the UI and search for it). Most integrations in Home Assistant that do not interact with devices or services can reload changes made to their configuration in configuration.yaml. If you use Home Assistant Core, you can find configuration.yaml in the config folder passed to the hass command (default is ~/.homeassistant). If you use Home Assistant Operating System, you can find configuration.yaml in the /config folder of the installation. If you use Home Assistant Container, you can find configuration.yaml in the config folder that you mounted in your container. Right under the version you are running, you will find what path Home Assistant has loaded the configuration from. The path to your configuration directory can be found in the Home Assistant frontend by going to Settings > System > Repairs > System information from the top right menu If you prefer to use a file editor on your computer, use the Samba add-on to access the files as a network share. This add-on runs VS Code, which offers live syntax checking and auto-fill of various Home Assistant entities (if unavailable on your system, use File Editor add-on instead). The easiest option to edit configuration.yaml is to use the Studio Code Server add-on. If you run into trouble while configuring Home Assistant, refer to the configuration troubleshooting page and the configuration.yaml examples.

Throughout the documentation you will find snippets that you can add to your configuration file to enable specific functionality. This file contains integrations to be loaded along with their configurations. While you can configure most of Home Assistant directly from the user interface under Settings, some parts need you to edit configuration.yaml.

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