/// <summary>
        /// Run the code example.
        /// </summary>
        /// <param name="user">The DFP user object running the code example.</param>
        public override void Run(DfpUser user)
        {
            // Get the WorkflowRequestService.
              WorkflowRequestService workflowRequestService =
              (WorkflowRequestService) user.GetService(DfpService.v201411.WorkflowRequestService);

              // Create a statement to select all workflow approval requests.
              StatementBuilder statementBuilder = new StatementBuilder()
              .Where("type = :type")
              .OrderBy("id ASC")
              .Limit(StatementBuilder.SUGGESTED_PAGE_LIMIT)
              .AddValue("type", WorkflowRequestType.WORKFLOW_APPROVAL_REQUEST.ToString());

              // Set default for page.
              WorkflowRequestPage page = new WorkflowRequestPage();

              try {
            do {
              // Get workflow requests by statement.
              page = workflowRequestService
              .getWorkflowRequestsByStatement(statementBuilder.ToStatement());

              if (page.results != null && page.results.Length > 0) {
            int i = page.startIndex;
            foreach (WorkflowRequest workflowRequest in page.results) {
              Console.WriteLine("{0}) Workflow approval request with ID '{1}' for {2} with ID " +
                  "'{3}' was found.", i++, workflowRequest.id,
                  workflowRequest.entityType.ToString(), workflowRequest.entityId);
            }
              }
              statementBuilder.IncreaseOffsetBy(StatementBuilder.SUGGESTED_PAGE_LIMIT);
            } while (statementBuilder.GetOffset() < page.totalResultSetSize);
            Console.WriteLine("Number of results found: {0}", page.totalResultSetSize);
              } catch (Exception e) {
            Console.WriteLine("Failed to get workflow requests by statement. Exception says \"{0}\"",
            e.Message);
              }
        }
        /// <summary>
        /// Run the code example.
        /// </summary>
        /// <param name="user">The DFP user object running the code example.</param>
        public override void Run(DfpUser user)
        {
            // Get the WorkflowRequestService.
              WorkflowRequestService proposalLineItemService =
              (WorkflowRequestService) user.GetService(DfpService.v201411.WorkflowRequestService);

              // Set the ID of the proposal to trigger workflow external conditions for.c
              long proposalId = long.Parse(_T("INSERT_PROPOSAL_ID_HERE"));

              // Create a statement to select workflow external condition requests for a proposal.
              StatementBuilder statementBuilder = new StatementBuilder()
              .Where("entityId = :entityId and entityType = :entityType and type = :type")
              .OrderBy("id ASC")
              .Limit(StatementBuilder.SUGGESTED_PAGE_LIMIT)
              .AddValue("entityId", proposalId)
              .AddValue("entityType", WorkflowEntityType.PROPOSAL.ToString())
              .AddValue("type", WorkflowRequestType.WORKFLOW_EXTERNAL_CONDITION_REQUEST.ToString());

              // Set default for page.
              WorkflowRequestPage page = new WorkflowRequestPage();
              List<long> workflowRequestIds = new List<long>();

              try {
            do {
              // Get workflow requests by statement.
              page = proposalLineItemService.getWorkflowRequestsByStatement(
              statementBuilder.ToStatement());

              if (page.results != null && page.results.Length > 0) {
            int i = page.startIndex;
            foreach (WorkflowRequest workflowRequest in page.results) {
              Console.WriteLine("{0}) Workflow external condition request with ID '{1}'" +
                  " for {2} with ID '{3}' will be triggered.", i++, workflowRequest.id,
                  workflowRequest.entityType.ToString(), workflowRequest.entityId);
              workflowRequestIds.Add(workflowRequest.id);
            }
              }

              statementBuilder.IncreaseOffsetBy(StatementBuilder.SUGGESTED_PAGE_LIMIT);
            } while (statementBuilder.GetOffset() < page.totalResultSetSize);

            Console.WriteLine("Number of workflow external condition requests to be triggered: {0}",
            workflowRequestIds.Count);

            if (workflowRequestIds.Count > 0) {
              // Modify statement.
              statementBuilder.RemoveLimitAndOffset();

              // Create action.
              Google.Api.Ads.Dfp.v201411.TriggerWorkflowExternalConditionRequests action =
              new Google.Api.Ads.Dfp.v201411.TriggerWorkflowExternalConditionRequests();

              // Perform action.
              UpdateResult result = proposalLineItemService.performWorkflowRequestAction(action,
              statementBuilder.ToStatement());

              // Display results.
              if (result != null && result.numChanges > 0) {
            Console.WriteLine("Number of workflow external condition requests triggered: {0}",
                result.numChanges);
              } else {
            Console.WriteLine("No workflow external condition requests were triggered.");
              }
            }
              } catch (Exception e) {
            Console.WriteLine("Failed to tirgger workflow external condition requests. Exception " +
            "says \"{0}\"", e.Message);
              }
        }