Email Campaign and Referral Links ( Coupon code) -- 3

1) The system should send all payments and transactions via Email to User, completed payment). ● Invoice as a PDF or as text format inside Email. the system should generate a random Coupon Code. create any number of random coupon codes. The generated coupon codes can contain a different set of characters and have different character lengths, options to add your own prefix, and suffix. All generated coupon codes generated will be different, which makes it useful to provide discount coupon codes. you should be able to build a modern EMail campaign and you have already had the experience of this task. we can't waste time if you are not an expert. 2) Referral System ( Coupon system ) when users invite new users, we will give existing user Coupons. you should be able to build a modern Referral condition: budget is 200 USD and you should finish it [login to view URL] till 23:30 you should work remotely by Teamviewer ( no discussion at all ) if you can't complete the project on-time, you will receive less. when you accept our condition, it means you are completely responsible for your agreement.