protected override Task <bool> OnSketchCompleteAsync(ArcGIS.Core.Geometry.Geometry geometry)
        {
            //Simple check for selected layer
            if (MappingModule.ActiveTOC.SelectedLayers.Count == 0)
            {
                System.Windows.MessageBox.Show("Select a layer in the toc");
                return(Task.FromResult(true));
            }

            //jump to CIM thread
            return(QueuedTask.Run(async() =>
            {
                //Get the selected layer in toc
                var featLayer = MappingModule.ActiveTOC.SelectedLayers[0] as FeatureLayer;

                //find feature oids under the sketch for the selected layer
                var features = await MapView.Active.HitTestAsync(geometry, CancelableProgressor.None);
                var featOids = features.Where(x => x.Item1 == featLayer).Select(x => x.Item2).First();

                //update the attributes of those features
                var fi = new FeatureInspector(true);
                await fi.FillAsync(featLayer, featOids);
                await fi.Attributes.Where(a => a.FieldName == "PARCEL_ID").First().SetValueAsync(42);

                //create and execute the edit operation
                var op = new EditOperation();
                op.Name = "The ultimate answer";
                op.SelectModifiedFeatures = true;
                op.SelectNewFeatures = false;
                op.Modify(fi);
                return await op.ExecuteAsync();
            }));
        }
    protected override Task<bool> OnSketchCompleteAsync(ArcGIS.Core.Geometry.Geometry geometry)
    {
      //Simple check for selected layer
      if (MappingModule.ActiveTOC.SelectedLayers.Count == 0)
      {
        System.Windows.MessageBox.Show("Select a layer in the toc");
        return Task.FromResult(true);
      }

      //jump to CIM thread
      return QueuedTask.Run(async () =>
      {
        //Get the selected layer in toc
        var featLayer = MappingModule.ActiveTOC.SelectedLayers[0] as FeatureLayer;

        //find feature oids under the sketch for the selected layer
        var features = await MapView.Active.HitTestAsync(geometry, CancelableProgressor.None);
        var featOids = features.Where(x => x.Item1 == featLayer).Select(x => x.Item2).First();

        //update the attributes of those features
        var fi = new FeatureInspector(true);
        await fi.FillAsync(featLayer, featOids);
        await fi.Attributes.Where(a => a.FieldName == "PARCEL_ID").First().SetValueAsync(42);

        //create and execute the edit operation
        var op = new EditOperation();
        op.Name = "The ultimate answer";
        op.SelectModifiedFeatures = true;
        op.SelectNewFeatures = false;
        op.Modify(fi);
        return await op.ExecuteAsync();
      });
    }