Barryvdh\TranslationManager\Translator::notifyMissingKey PHP Method

    protected function notifyMissingKey($key)
    {
        list($namespace, $group, $item) = $this->parseKey($key);
        if ($this->manager && $namespace === '*' && $group && $item) {
            $this->manager->missingKey($namespace, $group, $item);
        }
    }