private void SubmitJob(MapPoint mp)
{
graphicsLayer.Graphics.Clear();
Graphic graphic = new Graphic()
{
Symbol = LayoutRoot.Resources["DefaultMarkerSymbol"] as Symbol,
Geometry = mp
};
graphic.SetZIndex(1);
graphicsLayer.Graphics.Add(graphic);
List<GPParameter> parameters = new List<GPParameter>();
parameters.Add(new GPFeatureRecordSetLayer("Facilities", new FeatureSet(graphicsLayer.Graphics)));
parameters.Add(new GPString("Break_Values", "1 2 3"));
parameters.Add(new GPString("Break_Units", "Minutes"));
_geoprocessorTask.SubmitJobAsync(parameters);
}