> For the complete documentation index, see [llms.txt](https://api.raftmodding.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://api.raftmodding.com/website/mod-slugs-unique-identifier.md).

# Mod Slugs (Unique Identifier)

Slugs are strings that can be used in URLs. Slugs must fulfill all of the following rules:

* Slugs must be at least one character and at most 64 characters long.
* Slugs may only contain letters, numbers, dots ("."), dashes ("-") and underscores ("\_").
* All letters must be in lower case and from the basic latin alphabet.

### Examples

{% hint style="success" %}
Good examples:

* *`my-mod`*
* *`version-1.3.4`*
* *`test-6.4.1_RC-3`*
  {% endhint %}

{% hint style="danger" %}
Bad examples:

* *`be$t-mod`*(dollar signs are not allowed)
* *`café-mod`*("é" is not a letter of the latin alphabet)
* *`<script>alert('xss')</script>`* ("<>()'/" are not allowed)
* *`my mod 2`* (whitespaces are not allowed)
* *`a-very-very-very-very-very-very-very-very-very-very-very-very-very-long-name`* (longer than 64 characters)
  {% endhint %}