Access msg object in dashboard ui_template

Thank you krambriw, your answer pointed me to the right direction for what I wanted!
The trick was executing the

initMap(data)

google maps callback function in place of your " update(data) ".
Then I could normally access the msg returned from the query like

for (var a = 0; a < data.length; a++) {
            var tmpLat = data[a].lat;
            var tmpLng = data[a].lng;   

        var marker = _newGoogleMapsMarker({
            _map: map,
            _lat: tmpLat,
            _lng: tmpLng
        }); 
        
 }