public function getDescriptionRules()
    {
        $rules = [];
        if (is_string($this->descriptionAttribute) && !empty($this->descriptionAttribute)) {
            $rules[] = [
                [$this->descriptionAttribute],
                'string'
            ];
            $rules[] = [
                [$this->descriptionAttribute],
                'default',
                'value' => $this->initDescription,
            ];
        }
        return $rules;
    }