public function addFreePaymentPaymentMethod(PaymentCollectionEvent $event)
{
if ($this->plugin->isUsable()) {
$freePayment = new PaymentMethod($this->plugin->getHash(), 'elcodi_plugin.free_payment.name', 'elcodi_plugin.free_payment.description', $this->router->generate('paymentsuite_freepayment_execute'));
$event->addPaymentMethod($freePayment);
}
}