db Directory Reference

Files
	access.php
	Capability definitions for the lesson module.
	caches.php
	Defined caches used internally by the plugin.
	events.php
	Add event handlers for the lesson.
	log.php
	Definition of log events.
	messages.php
	Defines message providers (types of messages being sent)
	services.php
	Lesson external functions and service definitions.
	upgrade.php
	This file keeps track of upgrades to the lesson module.