def METHOD_NAME(bot: Text, account: int, metric_type: Text, **kwargs):
    """
    Adds custom metrics for an end user.
    :param bot: bot id
    :param account: account id
    :param metric_type: metric_type
    """
    metric = Metering(bot=bot, metric_type=metric_type, account=account)
    for key, value in kwargs.items():
        setattr(metric, key, value)
    metric.save()
    return metric.id.__str__()