PaymentOTPEntryView constructor
      const
      PaymentOTPEntryView({ 
    
    
- Key? key,
 - required PaymentInfo paymentInfo,
 - required String message,
 - required Function onSubmit,
 
Implementation
const PaymentOTPEntryView({
  Key? key,
  required this.paymentInfo,
  required this.message,
  required this.onSubmit,
}) : super(key: key);