toMap method
Implementation
Map<String, dynamic> toMap() {
return {
'Alias': alias,
'amount': amount,
'mobileNumber': mobileNumber,
'currencyId': currencyId,
'merchantId': merchantId,
'terminalId': terminalId,
'uniqueNotificationId': id,
}..removeWhere((key, value) => value == null || value == '');
}