How to apply discount code on price

#1

Hello
we have a project to create a mobile application using ionic
it’s an application for home store
i’m facing some problems

we should first add the products to the cart
and then in the payment page the user should be able to apply a discount code
can you please help me in creating the payment page and the disciont code

thank you in advance

#2

Hey buddy, you need help of a professional developer for this question. If you want some help -> create your app / code and then reach out for help with particular topic. Your question here is too broad to answer.