Plugins are "plug-and-play" applications that extend the functionality of Blesta. This document explains how to design and develop plugins, and highlights the roles plugins may assume when rendering data.

• The Creating a Plugin section explains the basic requirements and structure for any plugin.
• The Plugin Actions shows how to have your plugin register actions, which is primarily how plugins are displayed in the interface.
• The Plugin Cards shows informational cards on the client profile.
• The Widgets section explains how to have your render widgets, which goes hand in hand with Plugin Actions.
• The Service Management Tabs section describes how to setup your plugin to render tabs when managing a service.
• The Plugin Cron Tasks sections shows how to create custom cron tasks which can execute at set intervals or specific times.
• The Plugin Events section describes how to trigger a plugin to execute during special events.
• The Extending the API section explains how to use plugins to add additional functionality to the Blesta API.
• The ACL section describes how to integrate a plugin into Blesta's Access Control List.
• The Email section explains how to manage and send email through a plugin.
• The Database Access section explains how to build and execute queries on the database.