> ## Documentation Index
> Fetch the complete documentation index at: https://developers.techwolf.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Overview

Courses in the Skill Engine API correspond to internal/external training or
education.

More info about entities can be found on the
[How it Works page](/technology/entities/).

[Custom Properties](</reference/latest/Custom Properties/CustomPropertiesDefinitions>) are supported for this
entity.