toJson method
Implementation
Map<String, dynamic> toJson() {
final Map<String, dynamic> data = new Map<String, dynamic>();
data["totalSales"] = this.totalSales;
if (this.numberOfSalesByMissionType != null)
data["numberOfSalesByMissionType"] =
this.numberOfSalesByMissionType?.map((e) => e.toJson()).toList();
return data;
}