Scalr\Api\Service\User\V1beta0\Adapter\ScalingRule\BandWidthScalingRuleAdapter::validateEntity PHP Method

    public function validateEntity($entity)
    {
        parent::validateEntity($entity);
        $direction = $entity->settings[FarmRoleScalingMetric::TYPE];
        if (empty($direction)) {
            throw new ApiErrorException(400, ErrorMessage::ERR_INVALID_STRUCTURE, 'Missed property direction');
        }
        if (!in_array($direction, static::$directions)) {
            throw new ApiErrorException(400, ErrorMessage::ERR_INVALID_VALUE, sprintf('Invalid value. The allowed direction values are %s', implode(' or ', static::$directions)));
        }
    }