public function addListener($name, $className = null, $config = [])
{
if (strpos($name, '.') !== false) {
list($plugin, $name) = pluginSplit($name);
$className = $plugin . '.' . Inflector::camelize($name);
}
$name = Inflector::variable($name);
$this->config(sprintf('listeners.%s', $name), compact('className') + $config);
}