async def send_prebuilt_chat_message(self, message: str, user_name: Optional[str] = None):
        """Sends a chat message to Daily's Prebuilt main room.

        Args:
        message: The chat message to send
        user_name: Optional user name that will appear as sender of the message
        """
        await self._client.send_prebuilt_chat_message(message, user_name)
Sends a chat message to Daily's Prebuilt main room.

        Args:
        message: The chat message to send
        user_name: Optional user name that will appear as sender of the message
        
src/pipecat/transports/services/daily.py