Cannot get Plugin working - Joomla! Forum - community, help and support

hello!

i making first steps joomla. created plugin , want check, if working. undrestood, plugin listens global events. code

code: select all

<?xml version="1.0" encoding="utf-8"?>
<extension version="3.1" type="plugin" group="user" method="upgrade">
    <name>ekvy</name>
    <creationdate>2016</creationdate>
    <author>just me</author>
    <authoremail>keevitaja@gmai.com</authoremail>
    <authorurl>http://google.com</authorurl>
    <copyright>private</copyright>
    <license>ekvÜ</license>
    <version>0.0.1</version>
    <description>for user registration</description>
   
    <files>
        <filename plugin="ekvy">ekvy.php</filename>
        <filename>index.html</filename>
    </files>
</extension>

code: select all

<?php

defined('_jexec') or die;

class plguserekvy extends jplugin
{
    public function onafterinitialize()
    {
        return die('this [censored] not working');
    }
}

plugin installs fine , enabled it. cannot catch event. thoughts?

events events extensions? why using

<license>ekvÜ</license>

against open source foundation of joomla gnu gpl https://www.gnu.org/licenses/old-licenses/gpl-2.0.html ?

leo