docstr: Receive an observation/action dict.
docstr_tok: ["Receive","an","observation\/action","dict","."]
code: def observe(self, observation):
      """
      Receive an observation/action dict.
      """
      self.observation = observation
  
      if self.observation["id"] == "context":
          msg = {"role": "system", "content": observation["text"]}
      else:
          msg = {
              "role": self.counterparty_role,
              "content": observation["text"],
          }
          if self.counterparty_name:
              msg["name"] = self.counterparty_name
      self.turns.append(msg)
  
      return observation
  
file_path: ParlAI/parlai/agents/openai_chat_completions/openai_chat_completions.py
imports: from typing import Optional
  from parlai.core.params import ParlaiParser
  from parlai.core.opt import Opt
  from parlai.core.agents import Agent
  from parlai.core.message import Message
label_desc: Use image node_id 4 for calling the OpenaiChatCompletionsAgent obj's underlying member method code with example usage: obj.observe(observation) and returns: observation