IDTech iOS Framework Guide  1.1.088
API reference for UniPay
Amend the view controller interface to include the framework delegate classes:

In the header files of the classes that will be a delegate of UniPayEVM.framework, include the reference to the framework delegate class name:

@interface ViewController : UIViewController <IDT_UniPay_Delegate,IDTechEMV_Delegate>
delegateup.png