diff --git a/litellm/tests/test_completion.py b/litellm/tests/test_completion.py
index 3fbbdea0e..54bc53326 100644
--- a/litellm/tests/test_completion.py
+++ b/litellm/tests/test_completion.py
@@ -442,9 +442,46 @@ def test_completion_text_openai():
         pytest.fail(f"Error occurred: {e}")
 # test_completion_text_openai()
 
+def custom_callback(
+    kwargs,                 # kwargs to completion
+    completion_response,    # response from completion
+    start_time, end_time    # start/end time
+):
+    # Your custom code here
+    try:
+        print("LITELLM: in custom callback function")
+        print("\nkwargs\n", kwargs)
+        model = kwargs["model"]
+        messages = kwargs["messages"]
+        user = kwargs.get("user")
+
+        #################################################
+
+        print(
+            f"""
+                Model: {model},
+                Messages: {messages},
+                User: {user},
+                Seed: {kwargs["seed"]},
+                temperature: {kwargs["temperature"]},
+            """
+        )
+
+        assert kwargs["user"] == "ishaans app"
+        assert kwargs["model"] == "gpt-3.5-turbo-1106"
+        assert kwargs["seed"] == 12
+        assert kwargs["temperature"] == 0.5
+    except Exception as e:
+        pytest.fail(f"Error occurred: {e}")
+
 def test_completion_openai_with_optional_params():
+    # [Proxy PROD TEST] WARNING: DO NOT DELETE THIS TEST
+    # assert that `user` gets passed to the completion call
+    # Note: This tests that we actually send the optional params to the completion call
+    # We use custom callbacks to test this 
     try:
         litellm.set_verbose = True
+        litellm.success_callback = [custom_callback]
         response = completion(
             model="gpt-3.5-turbo-1106",
             messages=[
@@ -458,15 +495,17 @@ def test_completion_openai_with_optional_params():
             seed=12,
             response_format={ "type": "json_object" },
             logit_bias=None,
+            user = "ishaans app"
         )
         # Add any assertions here to check the response
+
         print(response)
-    except litellm.Timeout as e: 
-        pass
+        litellm.success_callback = [] # unset callbacks
+
     except Exception as e:
         pytest.fail(f"Error occurred: {e}")
 
-# test_completion_openai_with_optional_params()
+test_completion_openai_with_optional_params()
 
 def test_completion_openai_litellm_key():
     try:
@@ -1337,7 +1376,7 @@ def test_azure_cloudflare_api():
         traceback.print_exc()
         pass
 
-test_azure_cloudflare_api() 
+# test_azure_cloudflare_api() 
 
 def test_completion_anyscale_2():
     try:
diff --git a/litellm/utils.py b/litellm/utils.py
index 280a6342f..b756fc358 100644
--- a/litellm/utils.py
+++ b/litellm/utils.py
@@ -544,7 +544,8 @@ class Logging:
             "optional_params": self.optional_params,
             "litellm_params": self.litellm_params,
             "start_time": self.start_time,
-            "stream": self.stream
+            "stream": self.stream,
+            **self.optional_params
         }
 
     def pre_call(self, input, api_key, model=None, additional_args={}):