/// <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.v201508.WorkflowRequestService);

      // Set the ID of the proposal to approve workflow approval requests for.
      long proposalId = long.Parse(_T("INSERT_PROPOSAL_ID_HERE"));

      // Create a statement to select workflow approval requests for a proposal.
      StatementBuilder statementBuilder = new StatementBuilder()
          .Where("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_APPROVAL_REQUEST.ToString());

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

      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}' will be approved.",
                  i++, workflowRequest.id);
              worflowRequestIds.Add(workflowRequest.id);
            }
          }

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

        Console.WriteLine("Number of workflow approval requests to be approved: {0}",
            worflowRequestIds.Count);

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

          // Create action.
          Google.Api.Ads.Dfp.v201508.ApproveWorkflowApprovalRequests action =
              new Google.Api.Ads.Dfp.v201508.ApproveWorkflowApprovalRequests();

          // Add a comment to the approval.
          action.comment = "The proposal looks good to me. Approved.";

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

          // Display results.
          if (result != null && result.numChanges > 0) {
            Console.WriteLine("Number of workflow requests approved: {0}", result.numChanges);
          } else {
            Console.WriteLine("No workflow requests were approved.");
          }
        }
      } catch (Exception e) {
        Console.WriteLine("Failed to archive workflow requests. 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 workflowRequestService =
                (WorkflowRequestService)user.GetService(DfpService.v201508.WorkflowRequestService);

            // Set the ID of the proposal to approve workflow approval requests for.
            long proposalId = long.Parse(_T("INSERT_PROPOSAL_ID_HERE"));

            // Create a statement to select workflow approval requests for a proposal.
            StatementBuilder statementBuilder = new StatementBuilder()
                                                .Where("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_APPROVAL_REQUEST.ToString());

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

            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}' will be approved.",
                                              i++, workflowRequest.id);
                            worflowRequestIds.Add(workflowRequest.id);
                        }
                    }

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

                Console.WriteLine("Number of workflow approval requests to be approved: {0}",
                                  worflowRequestIds.Count);

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

                    // Create action.
                    Google.Api.Ads.Dfp.v201508.ApproveWorkflowApprovalRequests action =
                        new Google.Api.Ads.Dfp.v201508.ApproveWorkflowApprovalRequests();

                    // Add a comment to the approval.
                    action.comment = "The proposal looks good to me. Approved.";

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

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