code: @Override
  	public CommerceDiscount findByG_C_Last(long groupId, String couponCode,
  		OrderByComparator<CommerceDiscount> orderByComparator)
  		throws NoSuchDiscountException {
  		CommerceDiscount commerceDiscount = fetchByG_C_Last(groupId,
  				couponCode, orderByComparator);
  
  		if (commerceDiscount != null) {
  			return commerceDiscount;
  		}
  
  		StringBundler msg = new StringBundler(6);
  
  		msg.append(_NO_SUCH_ENTITY_WITH_KEY);
  
  		msg.append("groupId=");
  		msg.append(groupId);
  
  		msg.append(", couponCode=");
  		msg.append(couponCode);
  
  		msg.append("}");
  
  		throw new NoSuchDiscountException(msg.toString());
  	}
docs: Returns the last commerce discount in the ordered set where groupId = &#63; and couponCode = &#63;.
  
  @param groupId the group ID
  @param couponCode the coupon code
  @param orderByComparator the comparator to order the set by (optionally <code>null</code>)
  @return the last matching commerce discount
  @throws NoSuchDiscountException if a matching commerce discount could not be found