Event::setParameters

public function setParameters($parameters)
{
	if (is_array($parameters))
	{
		$this->parameters = $parameters;
	}
	elseif ($parameters instanceof Closure)
	{
		$this->parameters = null;
		$this->parametersLoader = $parameters;
	}
	else
	{
		throw new ArgumentTypeException("parameter", "array or closure, which returns array");
	}
}