> For the complete documentation index, see [llms.txt](https://docs.minical.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.minical.io/build-an-extension/config-folder-files.md).

# Config Folder Files

In the process extension develpoment, you will find a config folder. It contains three important files, each of these files has different work.

**Autoload file:-** This loads the **CSS/JS/Helper** dependencies into extension.

{% content-ref url="/pages/Xai3N6b7Vu4vLn3dZHpL" %}
[Autoload File](/build-an-extension/config-folder-files/autoload-file.md)
{% endcontent-ref %}

**Config file:-** This loads the **config** details of the extension.

{% content-ref url="/pages/e6h84XsWFnZjkMZxsmmQ" %}
[Config File](/build-an-extension/config-folder-files/config-file.md)
{% endcontent-ref %}

**Route file:-** This manages the **route** of the extension.

{% content-ref url="/pages/yhpt0btO5TTeGGv3Sv90" %}
[Route File](/build-an-extension/config-folder-files/route-file.md)
{% endcontent-ref %}