Plugin/Reading
From Joomla! Documentation
< Plugin
Beginner[edit]
To understand how to install and use a plugin in Joomla it is recommended to read Administration of a Plugin in Joomla
Intermediate[edit]
To understand plugins better it is advised that you create a basic plugin for Joomla!.
It is also advised to read on how to run a basic content plugin in a custom module or component you may have already developed it is recommended to read Triggering content plugins in your extension.
Advanced[edit]
To understand the principles on which the Plugin system works Plugin Developer Overview. To then implement this in a component you have designed it is recommended to read Supporting plugins in your component.