code: public static com.liferay.commerce.notification.model.CommerceNotificationTemplateUserSegmentRel addCommerceNotificationTemplateUserSegmentRel(
  		com.liferay.commerce.notification.model.CommerceNotificationTemplateUserSegmentRel commerceNotificationTemplateUserSegmentRel) {
  		return getService()
  				   .addCommerceNotificationTemplateUserSegmentRel(commerceNotificationTemplateUserSegmentRel);
  	}
docs: Adds the commerce notification template user segment rel to the database. Also notifies the appropriate model listeners.
  
  @param commerceNotificationTemplateUserSegmentRel the commerce notification template user segment rel
  @return the commerce notification template user segment rel that was added