How to get RGB LED working on Puck.js

@allObjects

var LEDS = [LED1,LED2,LED3]; // array of leds
var BUTTON = BTN1;           // button
var count = LEDS.length;
var i = 0;

setWatch(function (e) {
      LEDS[i%count].write(e.state);
      if (! e.state) i++;
      },
      BUTTON,
      { repeat:true, edge:'both',debounce : 20 }
);