How to setup a discount for multiples of 2

[vapetto]

Hi,

I'm trying to setup a deal to do 2 for £20 using a percentage discount of 33% on multiples of 2 but not odd (3,5,7,etc) products.

Is there a way to do this?

[Art Malk]

Hi,

I guess you need something like that https://amasty.com/special-promotions-pro.html

Thanks.