toJson method
Implementation
Map<String, dynamic> toJson() {
final Map<String, dynamic> data = <String, dynamic>{};
data['loc'] = loc;
data['lat'] = lat;
data['lng'] = lng;
data['id'] = id;
data['buildingNumber'] = buildingNumber;
data['landmark'] = landmark;
data['usageFrequency'] = usageFrequency;
return data;
}