// Pack
let value: Int = 10
let data: NSData = Monaka.pack(value)

// Unpack
let unpacked = Monaka.unpack(data) as? Int

struct Sample: CustomPackable {
    
    let id: String
    
    // Return new struct from applied properties.
    static var restoreProcedure: ([String : Packable] -> Packable?) = { (properties: [String : Packable]) -> Packable? in
        guard let id = properties["id"] as? String else {
            return nil
        }
        return Sample(id: id)
    }
}

func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
        
  Monaka.activate(Sample)
  
  // Other codes...
        
  return true
}

// Pack
let value: SampleStruct = SampleStruct(id: NSUUID().UUIDString)
let data: NSData = Monaka.pack(value) 
// Unpack
let unpacked = Monaka.unpack(data) as? SampleStruct