pressesbeganandended.swift

override func pressesBegan(_ presses: Set<UIPress>, with event: UIPressesEvent?) {
        if(presses.first?.type == UIPressType.upArrow) {
            debugPrint("up arrow began")
        } else if(presses.first?.type == UIPressType.downArrow) {
            debugPrint("down arrow began")
        }
    }
    
    override func pressesEnded(_ presses: Set<UIPress>, with event: UIPressesEvent?) {
        if(presses.first!.type == UIPressType.upArrow) {
            debugPrint("up arrow ended")
        } else if(presses.first!.type == UIPressType.downArrow) {
            debugPrint("down arrow ended")
        }
    }