How to make a simple rounded button in Storyboard?

Question

I just started learning iOS development, cannot find how to make simple rounded button. I find resources for old versions. Do I need to set a custom background for a button? In

Answer 1

import UIKit

@IBDesignable class MyButton: UIButton
{
    override func layoutSubviews() {
        super.layoutSubviews()


    }

    func updateCornerRadius(radius:CGFloat) {
        layer.cornerRadius = radius
    }
    @IBInspectable var cornerRadius:CGFloat = 0{
        didSet{
            updateCornerRadius(radius: cornerRadius)
        }
    }
}