diff --git a/main.py b/main.py
index 952ffe4..3b95936 100644
--- a/main.py
+++ b/main.py
@@ -470,10 +470,7 @@ async def update_valves(pipeline_id: str, form_data: dict):
 @app.post("/v1/{pipeline_id}/filter/inlet")
 @app.post("/{pipeline_id}/filter/inlet")
 async def filter_inlet(pipeline_id: str, form_data: FilterForm):
-    if (
-        pipeline_id not in app.state.PIPELINES
-        or app.state.PIPELINES[pipeline_id].get("type", "pipe") != "filter"
-    ):
+    if pipeline_id not in app.state.PIPELINES:
         raise HTTPException(
             status_code=status.HTTP_404_NOT_FOUND,
             detail=f"Filter {pipeline_id} not found",
@@ -498,10 +495,7 @@ async def filter_inlet(pipeline_id: str, form_data: FilterForm):
 @app.post("/v1/{pipeline_id}/filter/outlet")
 @app.post("/{pipeline_id}/filter/outlet")
 async def filter_outlet(pipeline_id: str, form_data: FilterForm):
-    if (
-        pipeline_id not in app.state.PIPELINES
-        or app.state.PIPELINES[pipeline_id].get("type", "pipe") != "filter"
-    ):
+    if pipeline_id not in app.state.PIPELINES:
         raise HTTPException(
             status_code=status.HTTP_404_NOT_FOUND,
             detail=f"Filter {pipeline_id} not found",
diff --git a/pipelines/examples/example_pipeline.py b/pipelines/examples/example_pipeline.py
index e1a4cfc..b7cec2f 100644
--- a/pipelines/examples/example_pipeline.py
+++ b/pipelines/examples/example_pipeline.py
@@ -9,8 +9,8 @@ class Pipeline:
         # The identifier must be unique across all pipelines.
         # The identifier must be an alphanumeric string that can include underscores or hyphens. It cannot contain spaces, special characters, slashes, or backslashes.
         self.id = "pipeline_example"
-
         self.name = "Pipeline Example"
+
         pass
 
     async def on_startup(self):
@@ -23,6 +23,29 @@ class Pipeline:
         print(f"on_shutdown:{__name__}")
         pass
 
+    async def on_valves_updated(self):
+        # This function is called when the valves are updated.
+        pass
+
+    async def inlet(self, body: dict, user: dict) -> dict:
+        # This function is called before the OpenAI API request is made. You can modify the form data before it is sent to the OpenAI API.
+        print(f"inlet:{__name__}")
+
+        print(body)
+        print(user)
+
+        return body
+
+    async def outlet(self, body: dict, user: dict) -> dict:
+        # This function is called after the OpenAI API response is completed. You can modify the messages after they are received from the OpenAI API.
+
+        print(f"outlet:{__name__}")
+
+        print(body)
+        print(user)
+
+        return body
+
     def pipe(
         self, user_message: str, model_id: str, messages: List[dict], body: dict
     ) -> Union[str, Generator, Iterator]: