Adding blur effect to background in swift

Question

I am setting a background image to view controller. But also i want to add blur effect to this background. How can I do this?

I am setting background with following

Answer 1

This worked for me on Swift 5

let blurredView = UIVisualEffectView(effect: UIBlurEffect(style: .light))
blurredView.frame = self.view.bounds
backgroundimage.addSubview(blurredView)