Create UIwebview reload + goback/forward button programmatically

Question

How do Create UIwebview reload + goback/forward button programmatically.

How do i call the following functions

func reload()
func goBack()
func goForward()

updated current code :

import UIKit

class webviewViewController: UIViewController {
    @IBOutlet var webview: UIWebView!

    @IBAction func reload(sender: UIBarButtonItem) {
        webview.reload()
    }

    override func viewDidLoad() {
        super.viewDidLoad()

        let url = NSURL (string: "http://www.google.com");
        let requestObj = NSURLRequest(URL: url!);
        webview.loadRequest(requestObj);
    }
}

Answer 1

Here is answer

@IBAction func reload(sender: UIBarButtonItem) {

             webview.reload()

        }

@IBAction func back(sender: UIBarButtonItem) {

             webview.goBack()

        }
@IBAction func forward(sender: UIBarButtonItem) {

             webview.goForward()

        }