CustomerDemographicProfileParameters parameters = new CustomerDemographicProfileParameters();
             
// The PointLayer type could take either data as
// ESRI.ArcGIS.Client.Tasks.FeatureSet, ESRI.ArcGIS.Client.BAServer.FolderItem,
// or a list of ESRI.ArcGIS.Client.BACore.PointRecord items, e.g.
//List<PointRecord> points = new List<PointRecord>() {
//    new PointRecord("Customer 1", "Steiner St. & Geary Blvd", "1", 37.78415, -122.4346)};
             
// Set Customers as a list of PointRecord using implicit cast operator.
parameters.Customers = points;
            
// Set ID of a geography layer to get demography from.
parameters.GeographyLayerID = "US.BlockGroups";
             
// Set report parameters. 
parameters.StandardReportOptions = new ReportOptions("PDF");
 
customerDemographicProfileTask.ExecuteAsync(parameters, new AsyncResponder(resultHandler, faultHandler));