toJson method
Converts this instance to json
Implementation
Map<String, dynamic> toJson() => {
"bankType": "wemaBank",
"firstName": fullName.split(' ')[0],
"surname": fullName.split(' ')[1],
"email": email,
"mobileNumber": mobileNumber,
"dob": "12-08-2021",
"gender": "M",
"address": "BetaStack",
"title": "Mr",
"state": "Kano",
"zainboxCode": zainboxCode
};