Send a message to a Kafka topic.

        Parameters
        ----------
        topic : str
            The kafka topic where the message should be sent to.
        message : FranzEvent
            The message to be sent.

        Raises
        ------
        franz.InvalidMessage

def _send_message_to_topic(self, topic, message):
        """
        Send a message to a Kafka topic.

        Parameters
        ----------
        topic : str
            The kafka topic where the message should be sent to.
        message : FranzEvent
            The message to be sent.

        Raises
        ------
        franz.InvalidMessage
        """
        message_result = self.producer.send(topic, message)
        self.check_for_message_exception(message_result)
        return message_result