How To Get The Newly Edited Polygon Coordinates In Google Map Apiv3

i have created and edited polygon successfully and after drawing the polygon i am getting the coordinates of the polygon, what i am looking for is after editing the polygon i am no

Solution 1:

Observe the events set_at, insert_at and remove_at of the polygon-path:

    google.maps.event.addListener(myPoly.getPath(), 'set_at',   markerCoords);
    google.maps.event.addListener(myPoly.getPath(), 'insert_at',markerCoords);
    google.maps.event.addListener(myPoly.getPath(), 'remove_at',markerCoords);