diff --git a/component-library/util/util-cos.ipynb b/component-library/util/util-cos.ipynb
index 30b94d26..2e12ceac 100644
--- a/component-library/util/util-cos.ipynb
+++ b/component-library/util/util-cos.ipynb
@@ -45,7 +45,7 @@
     "\n",
     "#os.environ['create_image']='True'\n",
     "os.environ['repository']='docker.io/romeokienzler'\n",
-    "os.environ['version']='0.2'\n",
+    "os.environ['version']='0.3'\n",
     "os.environ['name']='claimed-util-cos'"
    ]
   },
@@ -72,6 +72,7 @@
     "    RUN apt update && apt install -y python3-pip procps default-jre\n",
     "    RUN pip install ipython nbformat aiobotocore botocore s3fs\n",
     "    ADD util-cos.ipynb .\n",
+    "    CMD [\"ipython\", \"util-cos.ipynb\"]\n",
     "    \"\"\"\n",
     "    with open(\"Dockerfile\", \"w\") as text_file:\n",
     "        text_file.write(docker_file)\n",
@@ -135,6 +136,9 @@
     "# cos bucket name\n",
     "bucket_name = os.environ.get('bucket_name')\n",
     "\n",
+    "# path\n",
+    "path = os.environ.get('path','')\n",
+    "\n",
     "# operation\n",
     "operation = os.environ.get('operation')"
    ]
@@ -170,6 +174,18 @@
     "    exec(parameter)"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "b0e2aec4",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def print_list(l):\n",
+    "    for file in l:\n",
+    "        print(file)"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,
@@ -193,8 +209,12 @@
     "    client_kwargs={'endpoint_url': endpoint}\n",
     ")\n",
     "\n",
-    "if operation == 'mkbucket':\n",
-    "    s3.mkdir(bucket_name)\n",
+    "if operation == 'mkdir':\n",
+    "    s3.mkdir(bucket_name+path)\n",
+    "elif operation == 'ls':\n",
+    "    print_list(s3.ls(bucket_name+path))\n",
+    "elif operation == 'find':\n",
+    "    print_list(s3.find(bucket_name+path))\n",
     "else:\n",
     "    print(f'operation unkonwn {operation}')"
    ]