Usage for hash tag: selector(airdropScriptTapped

...width: 200, height: 20)) airdropButton.setTitle("AirDrop Script", for: .normal) airdropButton.addTarget(self, action: #selector(airdropScriptTapped), for: .touchUpInside) ``` Next, you'll need to add the button to the view controller's view. ``` view.addSubview(airdropButton) ``` Now you...