List<DirectoryServiceObject> LookupNames(
	Guid dscID,
	List<string> names
)

Function LookupNames ( 
	dscID As Guid,
	names As List(Of String)
) As List(Of DirectoryServiceObject)

using System;
using System.Collections.Generic;
using System.Linq;
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();

            //Get a Directory Service Connector
            ServiceInfo dscService = apiClient.GetServices(ServiceTypes.QlikViewDirectoryServiceConnector).FirstOrDefault();

            Guid docId = new Guid("12a32214-1122-112a-8099-8765ce564112"); // The document ID.

            //Get the task. Only the distribtion details are neede.
            DocumentTask someTask = apiClient.GetDocumentTask(docId, DocumentTaskScope.Distribute);

            if (dscService != null && someTask != null)
            {
                //Create a list with two users and one group.
                List<string> names = new List<string>(){"johnb","lindac","Sales", "Finance"};

                //Lookup the names in the list.
                List<DirectoryServiceObject> dsObjects = apiClient.LookupNames(dscService.ID, names);

                if(dsObjects != null) {

                    //Add the found users/groups to the receivers of all static distributions.
                    foreach( TaskDistributionEntry distEntry in someTask.Distribute.Static.DistributionEntries)
                    {
                        distEntry.Recipients.AddRange(dsObjects);
                    }

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