code: public static com.liferay.commerce.model.CommerceOrderItem addCommerceOrderItem(
  		com.liferay.commerce.model.CommerceOrderItem commerceOrderItem) {
  		return getService().addCommerceOrderItem(commerceOrderItem);
  	}
docs: Adds the commerce order item to the database. Also notifies the appropriate model listeners.
  
  @param commerceOrderItem the commerce order item
  @return the commerce order item that was added