class TankerTripsModel { String tanker_name = ''; String address = ''; String dbId = ''; String driver_name = ''; String status = ''; String building_name = ''; String water_source_location = ''; String deliveredDate = ''; /// ADD THESE String dateOfOrder = ''; String time = ''; String supplierName = ''; String amount_paid = ''; String amount_due = ''; TankerTripsModel(); factory TankerTripsModel.fromJson( Map json){ TankerTripsModel rtvm = TankerTripsModel(); rtvm.tanker_name = json['tankerName'] ?? ''; rtvm.dbId = json['_id'] ?? ''; /// FIX (you used wrong key) rtvm.address = json['address'] ?? ''; rtvm.driver_name = json['delivery_agent'] ?? ''; rtvm.status = json['orderStatus'] ?? ''; rtvm.building_name = json['buildingName'] ?? ''; rtvm.water_source_location = json['water_source_location'] ?? ''; rtvm.deliveredDate = json['deliveredDate'] ?? ''; /// ADD THESE rtvm.dateOfOrder = json['dateOfOrder'] ?? ''; rtvm.time = json['time'] ?? ''; rtvm.supplierName = json['supplierName'] ?? ''; rtvm.amount_paid = json['amount_paid'] ?? ''; rtvm.amount_due = json['amount_due'] ?? ''; return rtvm; } Map toJson() => { "tankerName": tanker_name, }; }