gistfile1.txt

import UIKit

class ViewController: UIViewController {

    @IBOutlet weak var textField: UITextField!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.
        
        let ref = Firebase(url: "<YOUR_FIREBASE_NAMESPACE>.firebaseio.com/")
        
        ref.observeEventType(.ChildAdded, withBlock: {
            (snapshot) -> Void in
            print("the value: \(snapshot.value)")
            }){
            (error) -> Void in
            print("there is an error: \(error.description)")
        }
    }

    @IBAction func test(sender: AnyObject) {
        
        let ref = Firebase(url: "<YOUR_FIREBASE_NAMESPACE>.firebaseio.com/")
        let childRef = ref.childByAutoId()
        childRef.setValue(textField.text, withCompletionBlock: {
            (error:NSError?, ref:Firebase!) in
            if (error != nil) {
                print("Data could not be saved.")
            } else {
                print("Data saved successfully!")
            }
        })
    }
    
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }

}