Custom callback function after route calculation

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<!DOCTYPE html>
<html>
  <head>
    <title>Custom callback function after route calculation</title>
    <script src="https://maps.cercalia.com/maps/loader.js?key=YOUR_API_KEY&v=5&lang=en&theme=1976d2"></script>
  </head>
  <body>
    <div id="map" class="map"></div>
    <script>
      var map;

      document.addEventListener('cercalia-ready', function() {
        map = new cercalia.Map({
          target: 'map'
        });

        calculateExampleRoute();
      });


      function calculateExampleRoute() {
        var routingMap = map.getMapRouting();

        var origin = new cercalia.LonLat(2.1589900, 41.3887900);
        var destination = new cercalia.LonLat(-3.7025600, 40.4165000);

        routingMap.disableAutoZoom(true);
        routingMap.setCustomCallbackFunction(function() {
          var notification = new cercalia.Notification('Route calculated', cercalia.Notification.Severity.WARNING);
          notification.display(map);
        });

        routingMap.setRoutingStep(cercalia.MapRouting.MarkerType.ORIGIN, origin);
        routingMap.setRoutingStep(cercalia.MapRouting.MarkerType.DESTINATION, destination);
      }
    </script>
  </body>
</html>