add doc string for /chat/completions swagger

litellm/proxy/proxy_server.py

@@ -3014,6 +3014,29 @@ async def chat_completion(
     model: Optional[str] = None,
     user_api_key_dict: UserAPIKeyAuth = Depends(user_api_key_auth),
 ):
+    """
+
+    Follows the exact same API spec as `OpenAI's Chat API https://platform.openai.com/docs/api-reference/chat`
+
+    ```bash
+    curl -X POST http://localhost:4000/v1/chat/completions \
+
+    -H "Content-Type: application/json" \
+
+    -H "Authorization: Bearer sk-1234" \
+
+    -d '{
+        "model": "gpt-4o",
+        "messages": [
+            {
+                "role": "user",
+                "content": "Hello!"
+            }
+        ]
+    }'
+    ```
+
+    """
     global general_settings, user_debug, proxy_logging_obj, llm_model_list
 
     data = {}