awocoupon email plugin or how to gift coupon

hi i can't find where to buy awocoupon plugin so i suppose it is no more developed... i'm looking for a way to send a gift coupon to my customer when they buy a choosen amount. for example: when you buy 5 items in the same category you automatically receive via email a discount coupon.
how can i do this? i supposed to be able to do with awocoupon email..but... :(
thank you and happy new year ^_^

**awocoupon plugin**=awocoupon email plugin..sorry...

Hello,

The AwoCoupon email plugin is discuntinued and the plugin that has all its features and more is AwoRewards.

Happy New Year to you too.