javascript - Adding onclick to Polygon Location Label in Google Maps v3 -

i have following code initialize polygon onclick listener displays alert:

polygon.location = location;  polygon.locationlabel = new locationlabel(location, latlng, mapprovider.map);   google.maps.event.addlistener(polygon, 'click', function(e) {             alert('hello');  }); 

this fine, displays alert when click polygon not actual label. how add listener alert displayed when label clicked?

try :

 texttoshow = polygon.locationlabel;  google.maps.event.addlistener(polygon, 'click', function(e, texttoshow) {        alert(texttoshow);  });