code: function onTouchStart(oEvent) {
  				if (oEvent.touches) {
  					var currentTouches = oEvent.touches.length;
  
  					if (Device.browser.mobile &&
  						(Device.browser.name === Device.browser.BROWSER.INTERNET_EXPLORER ||// TODO remove after 1.62 version
  						Device.browser.name === Device.browser.BROWSER.EDGE)) {
  						windowsPhoneTouches = currentTouches;
  					}
  
  
  					if (currentTouches > maxFingersAllowed) {
  						document.removeEventListener('touchend', onTouchEnd);
  						return;
  					}
  
  					switch (currentTouches) {
  
  						case holdFingersNumber:
  							startTime = Date.now();
  							document.addEventListener('touchend', onTouchEnd);
  							break;
  
  						case maxFingersAllowed:
  							if (startTime) {
  								timeDiff = Date.now() - startTime;
  								lastTouchUID = oEvent.touches[currentTouches - 1].identifier;
  							}
  							break;
  					}
  				}
  			}
docs: function is triggered when a touch is detected