fromJson static method
Implementation
static ProgBonusCustomer fromJson(Map<String, dynamic> json) {
return ProgBonusCustomer(
phoneNumber: json['phoneNumber']?.toString() ?? '',
cardNumber: json['cardNumber']?.toString() ?? '',
email: json['email']?.toString() ?? '',
firstName: json['firstName']?.toString() ?? '',
lastName: json['lastName']?.toString() ?? '',
);
}