uibutton - How do I add border to an @IBAction Button that is linked from storyboard in Swift 2.1? -

how set button border if button linked storyboard , of type @ibaction?

the button's type not ibaction, ibaction connection between storyboard , function

if want change button in code, connect storyboard outlet (hold ctrl , drag button storyboard viewcontroller)

(and u can change storyboard)