Horde_Notification_Handler::detach PHP Method

    public function detach($listener)
    {
        if ($ob = $this->getListener($listener)) {
            unset($this->_listeners[$ob->getName()]);
            $this->_storage->clear($ob->getName());
        } else {
            throw new Horde_Exception(sprintf('Notification listener %s not found.', $listener));
        }
    }