Fenos\Notifynder\Senders\SenderManager::extend PHP Method

This method allow to Extend notifynder with custom sender.

public extend ( $name, callable $extendSender )
$name
$extendSender	callable

    public function extend($name, $extendSender)
    {
        $this->senders[$name] = $extendSender;
        return $this;
    }

SenderManager