code: def log_event(
      self, kwargs, response_obj, start_time, end_time, print_verbose
  ):
      # Method definition
      try:
          new_kwargs = {}
          new_kwargs["model"] = kwargs["model"]
          new_kwargs["messages"] = kwargs["messages"]
  
          # add kwargs["optional_params"] to new_kwargs
          for optional_param in kwargs["optional_params"]:
              new_kwargs[optional_param] = kwargs["optional_params"][
                  optional_param
              ]
  
          print_verbose(
              f"Prompt Layer Logging - Enters logging function for model kwargs: {new_kwargs}\n, response: {response_obj}"
          )
  
          request_response = requests.post(
              "https://api.promptlayer.com/rest/track-request",
              json={
                  "function_name": "openai.ChatCompletion.create",
                  "kwargs": new_kwargs,
                  "tags": ["hello", "world"],
                  "request_response": dict(response_obj),
                  "request_start_time": int(start_time.timestamp()),
                  "request_end_time": int(end_time.timestamp()),
                  "api_key": self.key,
                  # Optional params for PromptLayer
                  # "prompt_id": "<PROMPT ID>",
                  # "prompt_input_variables": "<Dictionary of variables for prompt>",
                  # "prompt_version":1,
              },
          )
          print_verbose(
              f"Prompt Layer Logging: success - final response object: {request_response.text}"
          )
          response_json = request_response.json()
          if "success" not in request_response.json():
              raise Exception(
                  "Promptlayer did not successfully log the response!"
              )
  
          if "request_id" in response_json:
              print(kwargs["litellm_params"]["metadata"])
              if kwargs["litellm_params"]["metadata"] is not None:
                  response = requests.post(
                      "https://api.promptlayer.com/rest/track-metadata",
                      json={
                          "request_id": response_json["request_id"],
                          "api_key": self.key,
                          "metadata": kwargs["litellm_params"][
                              "metadata"
                          ],
                      },
                  )
                  print_verbose(
                      f"Prompt Layer Logging: success - metadata post response object: {response.text}"
                  )
  
      except:
          print_verbose(
              f"error: Prompt Layer Error - {traceback.format_exc()}"
          )
          pass
  
imports: import dotenv, os
  import requests
  import requests
  import traceback
label_desc: Use image node_id 2 for calling the PromptLayerLogger obj's underlying member method code with example usage: obj.log_event(kwargs, response_obj, start_time, end_time, print_verbose) without return types