         self.plusIconColor = self.style.sectionStepperPlusIconColor
         self.plusBackgroundColor = self.style.sectionStepperPlusBackgroundColor
         self.plusIcon = AZAssets.plusImage
+        self.plusButton.addTarget(self, action: #selector(tapPlusButton(_:)), for: .touchUpInside)
     }
     
     // minus

        self.prepareInputLabel()

    }
}

// prepare

    fileprivate var plusButton: AZButton = AZButton()
    fileprivate var minusButton: AZButton = AZButton()
    fileprivate var showNumberLabel: AZLabel = AZLabel()
    fileprivate var _value: Int! {
        didSet{
            self.showNumberLabel.text = self.value.description
        }
    }
    
    // MARK: Init
    override public init(frame: CGRect) {
