toJson method
Implementation
@override
Map<String, dynamic> toJson() {
Map<String, dynamic> jsonObject = {'mandatory': mandatory};
if (valueType != null) {
jsonObject['value_type'] = valueType;
}
if (display != null && display!.isNotEmpty) {
var tmp = [];
for (var d in display!) {
tmp.add(d.toJson());
}
jsonObject['display'] = tmp;
}
return jsonObject;
}