Unfortunately, at this time, customers won't be able to input any discount codes created within our app during checkout. But we have an excellent built-in solution to this issue!
On the settings page for ADG, inside the General tab, scroll down near the bottom of the page. You will see this setting:
Once enabled, customers can enter any ADG promotion code during checkout. If you need assistance in customizing this feature. Please don't hesitate to reach out!