toJson method
Implementation
Map<String, dynamic> toJson() {
final Map<String, dynamic> data = new Map<String, dynamic>();
if (this.amount != null) data['amount'] = this.amount;
if (this.detail != null) data['detail'] = this.detail;
if (this.id != null) data['id'] = this.id;
if (this.label != null) data['label'] = this.label;
return data;
}