langchain/experimental/autonomous_agents/autogpt/prompt_generator.py/PromptGenerator/add_performance_evaluation
class PromptGenerator:    def add_performance_evaluation(self, evaluation: str) -> None:
        """
        Add a performance evaluation item to the performance_evaluation list.

        Args:
            evaluation (str): The evaluation item to be added.
        """
        self.performance_evaluation.append(evaluation)