toJson method
Implementation
Map<String, dynamic> toJson() => {
"customer_sync_code": customerSyncCode,
"customer_code": customerCode,
"customer_name": customerName,
"payment_methods":
List<dynamic>.from(paymentMethods!.map((x) => x.toJson())),
"payment_method_types":
List<dynamic>.from(paymentMethodTypes!.map((x) => x.toJson())),
};