Button controller widget

I want to add 4 Button controller widgets for four LED ON/ OFF. When I add one Button controller widget and click on Sketch file for code it shows code for only a single pin. I need a code for four pins and four widgets. Please help. Thanks in Advance.

Once you get the sketch for one button, you need duplicate the code for other 3 buttons with different virtual channel number. then add new 3 buttons with this virtual channel numbers