diff --git a/README.md b/README.md
index 5805fca..d65cef9 100644
--- a/README.md
+++ b/README.md
@@ -376,7 +376,7 @@ To Form a pipeine, it required a `start` operator and a `end` operator, we have
 ```python
 # create start operator
 start_operator_component = create_start_operator(
-    {"metadata": {"input": {"title": "input", "type": "image"}}}
+    {"metadata": {"input": {"title": "input", "type": "string", "instillFormat": "image/*"}}}
 )
 # create end operator
 end_operator_component = create_end_operator(
diff --git a/integration-test.py b/integration-test.py
index 8d4cd0c..c8d1ad7 100644
--- a/integration-test.py
+++ b/integration-test.py
@@ -228,7 +228,7 @@
     )
 
     start_operator_component = create_start_operator(
-        config={"metadata": {"input": {"title": "Input", "type": "text"}}}
+        config={"metadata": {"input": {"title": "Input", "type": "string", "instillFormat": "string"}}}
     )
 
     end_operator_component = create_end_operator(
@@ -258,7 +258,7 @@
         "==================== instill model + csv pipeline =================================================="
     )
     start_operator_component = create_start_operator(
-        {"metadata": {"input": {"title": "input", "type": "image"}}}
+        {"metadata": {"input": {"title": "input", "type": "string", "instillFormat": "image/*"}}}
     )
 
     instill_model_connector_component = instill_connector.create_component(
@@ -315,7 +315,7 @@
     )
 
     start_operator_component = create_start_operator(
-        {"metadata": {"input": {"title": "input", "type": "image_array"}}}
+        {"metadata": {"input": {"title": "input", "type": "array", "instillFormat": "array:image/*", "items": {"type":"string"}}}}
     )
 
     instill_model_component_mobilenet_1 = instill_connector.create_component(
diff --git a/notebooks/story_pipeline.ipynb b/notebooks/story_pipeline.ipynb
index 75d1ce2..1ff0252 100644
--- a/notebooks/story_pipeline.ipynb
+++ b/notebooks/story_pipeline.ipynb
@@ -224,7 +224,7 @@
    "source": [
     "# define your desired input, here we wish to input a list of base64 images\n",
     "start_operator_component = create_start_operator(\n",
-    "    {\"metadata\": {\"input\": {\"title\": \"input\", \"type\": \"image_array\"}}}\n",
+    "    {\"metadata\": {\"input\": {\"title\": \"input\", \"type\": \"array\", \"instillFormat\": \"array:image/*\", \"items\": {\"type\": \"string\"}}}}\n",
     ")\n",
     "\n",
     "# create a instill model component from the connector resource\n",