public function callbackList()
    {
        $data = $this->model->flowListImages();
        
        $images = [];
        foreach (Yii::$app->storage->findImages(['in', 'id', $data]) as $item) {
            $images[$item->id] = $item->applyFilter('small-crop')->toArray();
        }
        
        return $this->sendSuccess('list loaded', [
            'images' => $images,
        ]);
    }