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Promo Code Discount Not Included in Paypal total

Posted: October 14, 2012 at 8:50 am


October 14, 2012 at 8:50 am

When using a promo code, the promo discount appears on the confirmation screen and invoice, but the amount being charged by Paypal does not reflect the promo code.

Not sure if this make a difference, but my promos are actually for an additional cost (recorded copy of event) so they are negative values. Within Event Espresso the cost is calculated properly, it is only the total in paypal which is wrong.

I’m running and at one time I had installed Multi-Event Registration but deactiviated it.


October 14, 2012 at 8:59 am

Some more details. The issue appears to be related to my using negative discount amounts as a way to add an optional item onto the order.

When I test using a positive discount it total is correct in Paypal.

My ticket price is $12 per person with an option of adding a recorded copy of the event via a promo code which is a negative $8.

Again, the confirmation screen shows the correct total and if the person chooses to pay by check, the invoice appears correctly. The issue is that the paypal amount does not include the extra cost.


October 15, 2012 at 1:22 am


That is an interesting use of Promo codes, but not really their designed function.

What I would do to create the same functionality is to use the Multiple Event Registration add on.

By adding additional ticket prices to the event and having that add on activated, when the user adds the event to the cart and goes to checkout they can select the ticket and optional recorded copy of the event.


October 15, 2012 at 6:41 am


Thank you. So is there no way to do this without MER? I did try to implement it with MER but I need to turn the site admin over to a more novice admin and the the complexity of MER is too difficult for them.

Is there a way to do this without MER I’d appreciate any pointers. As I mentioned, it calculates correctly on the confirmation and invoice, it just appears that the field passed to paypal is perhaps different.



October 16, 2012 at 2:46 am

Hey Bob,

Sorry not to my knowledge. The promo codes, Groupon etc were all designed to reduce the prices not to be used as a product themselves. All the customisations I have seen involving selling additional products (t-shirts, etc) have been based around MER.

It might be possible to hack the payment gateway files to recognise that the negative is in fact a positive, but I would advise against it unless you know what you are doing.

You could send in a customisation request to the developers here,, and see what the developers say on it, but we do charge for said customisations.


October 16, 2012 at 8:25 am

Okay, thanks. I’ll look at using MER instead.

Great product BTW! Thanks for the support.

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