Creating managed objects

import Foundation
import CoreData

extesion Note {
	@NSManaged var creationDate: NSDate?
	@NSManaged var text: String?
	@NSManaged var notebook: Notebook?
}

import Foundation
import CoreData

extesion NSManagedObject {
	convention init(text:String = "New Note", context: NSManagedObjectContext){
		if let ent = NSEntityDescription.entityForName("Note",
			inManagedObjectContext; context){
			self.init(entity: ent, insertIntoManagedObjectContext: context)
			self.text = text
			self.creationDate = NSDate()
		} else {
			fatalError("Unable to find Entity name!")
		}
	}
}