<?php

namespace App\Event;

use Minor\Event\Event;

class DemoEvent extends Event
{
    private $name;

    public function __construct($name)
    {
        $this->name = $name;
    }

    public function setName($name)
    {
        $this->name = $name;
    }

    public function getName()
    {
        return $this->name;
    }
}

<?php
return $events = [
    'App\Event\DemoEvent'    =>    [
        'App\Listener\DemoListener' => 'handle',
    ],
];

class FooController extends Controller
{
    public function bar($productName)
    {
        $event = new DemoEvent('DemoEvent');
        EventManager::fire($event);
        ...
    }
}

<?php

namespace App\Listener;

use App\Event\DemoEvent;
use Minor\Event\Listener;

class DemoListener extends Listener
{
    public function handle(DemoEvent $event)
    {
        echo '[DemoListener] handle the event:[' . $event->getName() .'] success!<br/><br/>';
    }
}