Integrating Arize Phoenix Callback Handler in Your Project

                # Arize Phoenix
                from llama_index.callbacks.arize_phoenix import (
                    arize_phoenix_callback_handler,
                )
                self.trace_callback_handlers.append(arize_phoenix_callback_handler())

            self.callback_manager = CallbackManager(self.trace_callback_handlers)
            Settings.callback_manager = self.callback_manager