import Foundation
import ObjectMapper

class LocationModel: Mappable{
init(latitude: Double = 0.0,longitude: Double = 0.0,timestamp:NSDate = NSDate()){
        self._latitude = latitude
        self._longitude = longitude
        self._timestamp = timestamp
    }

    required init?(_ map: Map) {
    }

    func mapping(map: Map) {
        if map.mappingType == .ToJSON{
         self._latitude <- map["latitude"]
         self._longitude <- map["longitude"]
         self._timestamp <- map["timestamp"]
        }
    }

     var _latitude: Double?
     var _longitude: Double?
     var _timestamp: NSDate?
}
var location = LocationModel(42.9837, -81.2497,NSDate())
let JSONString = Mapper().toJSON(npForm)
        print(JSONString)