REBELinBLUE\Deployer\Http\Requests\StoreVariableRequest::rules PHP Метод

    public function rules()
    {
        return ['name' => 'required|max:255', 'value' => 'required', 'target_type' => 'required|in:project,template', 'target_id' => 'required|integer|exists:' . $this->get('target_type') . 's,id'];
    }