List<TaskStatusNode> GetTaskStatusNodes(
	List<TaskStatusNodeRequest> taskStatusNodeRequests,
	TaskStatusFilter filter,
	TaskStatusScope scope
)

Function GetTaskStatusNodes ( 
	taskStatusNodeRequests As List(Of TaskStatusNodeRequest),
	filter As TaskStatusFilter,
	scope As TaskStatusScope
) As List(Of TaskStatusNode)

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using QMSAPI;

class Program
{
    static void Main(string[] args)
    {
        try
        {
            // create a QMS API client
            IQMS apiClient = new QMSClient();

            //retrieve a time limited service key
            ServiceKeyClientMessageInspector.ServiceKey = apiClient.GetTimeLimitedServiceKey();        

            Guid qdsId = new Guid("c7c66836-f00b-47c4-8099-23ff7f178423"); // The originating QDS ID.
            List<TaskStatusNodeRequest> taskStatusNodeRequests = new List<TaskStatusNodeRequest>(); // Creating a new task status node request array.
            TaskStatusNodeRequest taskStatusNodeRequest = new TaskStatusNodeRequest(); // Populating the array with a new object.
            taskStatusNodeRequest.RootType = TaskStatusNodeType.QDS;
            taskStatusNodeRequest.QDSID = qdsId;
            taskStatusNodeRequests.Add(taskStatusNodeRequest);

            TaskStatusFilter taskStatusFilter = new TaskStatusFilter();
            taskStatusFilter.TaskStatuses.Add(TaskStatusValue.Failed);
            taskStatusFilter.TaskTypes.Add(TaskType.DocumentTask);

            List<TaskStatusNode> statusNodes = apiClient.GetTaskStatusNodes(taskStatusNodeRequests, taskStatusFilter, TaskStatusScope.All); // A service call using the array and a scope.
            foreach(TaskStatusNode node in statusNodes) {
                Console.WriteLine(node.Name + "\\t" + node.Status);
            }

        }
        catch (Exception ex)
        {
            Console.WriteLine("An exception occurred: " + ex.Message);
        }
        // wait for user to press any key
        Console.ReadLine();
    }
}