toJson method
Implementation
Map<String, dynamic> toJson() {
return {
'authorization_code': authorizationCode,
'bin': bin,
'last4': last4,
'channel': channel,
'card_type': cardType,
'bank': bank,
'country_code': countryCode,
'brand': brand,
'account_name': accountName,
'mobile_money_number': mobileMoneyNumber,
};
}