Describe "cronRun" event in Events class

src/mibew/libs/classes/Mibew/Controller/CronController.php

@@ -20,6 +20,7 @@
 namespace Mibew\Controller;
 
 use Mibew\EventDispatcher\EventDispatcher;
+use Mibew\EventDispatcher\Events;
 use Mibew\Settings;
 use Symfony\Component\HttpFoundation\Request;
 
@@ -31,6 +32,8 @@ class CronController extends AbstractController
     /**
      * Runs the cron.
      *
+     * Triggers {@link \Mibew\EventDispatcher\Events::CRON_RUN} event.
+     *
      * @param Request $request Incoming request.
      * @return string Rendered page content.
      */
@@ -59,7 +62,7 @@ class CronController extends AbstractController
 
         // Trigger cron event
         $dispatcher = EventDispatcher::getInstance();
-        $dispatcher->triggerEvent('cronRun');
+        $dispatcher->triggerEvent(Events::CRON_RUN);
 
         // Update time of last cron run
         Settings::set('_last_cron_run', time());

src/mibew/libs/classes/Mibew/EventDispatcher/Events.php

@@ -24,6 +24,14 @@ namespace Mibew\EventDispatcher;
  */
 final class Events
 {
+    /**
+     * Cron is run.
+     *
+     * This event is triggered when cron is run. It provides an ability for
+     * plugins to perform custom maintenance actions.
+     */
+    const CRON_RUN = 'cronRun';
+
     /**
      * An operator cannot be authenticated.
      *