Frontend\Core\Engine\Ajax::setModule PHP Method

    public function setModule($value)
    {
        // get the possible modules
        $possibleModules = Model::getModules();
        // validate
        if (!in_array($value, $possibleModules)) {
            throw new Exception('Module not correct');
        }
        // set property
        $this->module = (string) $value;
    }