def METHOD_NAME(client: RTMClient, event: Dict[str, Any]) -> None:
    if event["channel"] not in self.slack_to_zulip_map:
        return
    user_id = event["user"]
    user = self.slack_id_to_name[user_id]
    from_bot = user == self.slack_config["username"]
    if from_bot:
        return
    self.replace_slack_id_with_name(event)
    content = ZULIP_MESSAGE_TEMPLATE.format(username=user, message=event["text"])
    zulip_endpoint = self.slack_to_zulip_map[event["channel"]]
    msg_data = dict(
        type="stream",
        to=zulip_endpoint["stream"],
        subject=zulip_endpoint["topic"],
        content=content,
    )
    self.zulip_client.send_message(msg_data)