/// <summary>
        /// Runs the code example.
        /// </summary>
        /// <param name="user">The AdWords user.</param>
        /// <param name="experimentId">Id of the experiment to be promoted.</param>
        public void Run(AdWordsUser user, long experimentId)
        {
            // Get the ExperimentService.
              ExperimentService experimentService =
              (ExperimentService) user.GetService(AdWordsService.v201306.ExperimentService);

              // Set experiment's status to PROMOTED.
              Experiment experiment = new Experiment();
              experiment.id = experimentId;
              experiment.status = ExperimentStatus.PROMOTED;

              // Create the operation.
              ExperimentOperation operation = new ExperimentOperation();
              operation.@operator = Operator.SET;
              operation.operand = experiment;

              try {
            // Update the experiment.
            ExperimentReturnValue retVal = experimentService.mutate(
            new ExperimentOperation[] {operation});

            // Display the results.
            if (retVal != null && retVal.value != null && retVal.value.Length > 0) {
              Experiment promotedExperiment = retVal.value[0];
              Console.WriteLine("Experiment with name = \"{0}\" and id = \"{1}\" was promoted.\n",
              promotedExperiment.name, promotedExperiment.id);
            } else {
              Console.WriteLine("No experiments were promoted.");
            }
              } catch (Exception ex) {
            throw new System.ApplicationException("Failed to promote experiment.", ex);
              }
        }
        /// <summary>
        /// Runs the code example.
        /// </summary>
        /// <param name="user">The AdWords user.</param>
        /// <param name="campaignId">Id of the campaign to which experiments are
        /// added.</param>
        /// <param name="adGroupId">Id of the ad group to which experiments are
        /// added.</param>
        /// <param name="criterionId">Id of the criterion for which experiments
        /// are added.</param>
        public void Run(AdWordsUser user, long campaignId, long adGroupId, long criterionId)
        {
            // Get the ExperimentService.
              ExperimentService experimentService =
              (ExperimentService) user.GetService(AdWordsService.v201306.ExperimentService);

              // Get the AdGroupService.
              AdGroupService adGroupService =
              (AdGroupService) user.GetService(AdWordsService.v201306.AdGroupService);

              // Get the AdGroupCriterionService.
              AdGroupCriterionService adGroupCriterionService =
              (AdGroupCriterionService) user.GetService(AdWordsService.v201306.AdGroupCriterionService);

              // Create the experiment.
              Experiment experiment = new Experiment();
              experiment.campaignId = campaignId;
              experiment.name = "Interplanetary Cruise #" + ExampleUtilities.GetRandomString();
              experiment.queryPercentage = 10;
              experiment.startDateTime = DateTime.Now.AddDays(1).ToString("yyyyMMdd HHmmss");

              // Optional: Set the end date.
              experiment.endDateTime = DateTime.Now.AddDays(30).ToString("yyyyMMdd HHmmss");

              // Optional: Set the status.
              experiment.status = ExperimentStatus.ACTIVE;

              // Create the operation.
              ExperimentOperation experimentOperation = new ExperimentOperation();
              experimentOperation.@operator = Operator.ADD;
              experimentOperation.operand = experiment;

              try {
            // Add the experiment.
            ExperimentReturnValue experimentRetVal = experimentService.mutate(
            new ExperimentOperation[] {experimentOperation});

            // Display the results.
            if (experimentRetVal != null && experimentRetVal.value != null && experimentRetVal.value.
            Length > 0) {
              long experimentId = 0;

              Experiment newExperiment = experimentRetVal.value[0];

              Console.WriteLine("Experiment with name = \"{0}\" and id = \"{1}\" was added.\n",
              newExperiment.name, newExperiment.id);
              experimentId = newExperiment.id;

              // Set ad group for the experiment.
              AdGroup adGroup = new AdGroup();
              adGroup.id = adGroupId;

              // Create experiment bid multiplier rule that will modify ad group bid
              // for the experiment.
              ManualCPCAdGroupExperimentBidMultipliers adGroupBidMultiplier =
              new ManualCPCAdGroupExperimentBidMultipliers();
              adGroupBidMultiplier.maxCpcMultiplier = new BidMultiplier();
              adGroupBidMultiplier.maxCpcMultiplier.multiplier = 1.5;

              // Set experiment data to the ad group.
              AdGroupExperimentData adGroupExperimentData = new AdGroupExperimentData();
              adGroupExperimentData.experimentId = experimentId;
              adGroupExperimentData.experimentDeltaStatus = ExperimentDeltaStatus.MODIFIED;
              adGroupExperimentData.experimentBidMultipliers = adGroupBidMultiplier;

              adGroup.experimentData = adGroupExperimentData;

              // Create the operation.
              AdGroupOperation adGroupOperation = new AdGroupOperation();
              adGroupOperation.operand = adGroup;
              adGroupOperation.@operator = Operator.SET;

              // Update the ad group.
              AdGroupReturnValue adGroupRetVal = adGroupService.mutate(new AdGroupOperation[] {
              adGroupOperation});

              // Display the results.
              if (adGroupRetVal != null && adGroupRetVal.value != null &&
              adGroupRetVal.value.Length > 0) {
            AdGroup updatedAdGroup = adGroupRetVal.value[0];
            Console.WriteLine("Ad group with name = \"{0}\", id = \"{1}\" and status = \"{2}\" " +
                "was updated for the experiment.\n", updatedAdGroup.name, updatedAdGroup.id,
                updatedAdGroup.status);
              } else {
            Console.WriteLine("No ad groups were updated.");
              }

              // Set ad group criteria for the experiment.
              Criterion criterion = new Criterion();
              criterion.id = criterionId;

              BiddableAdGroupCriterion adGroupCriterion = new BiddableAdGroupCriterion();
              adGroupCriterion.adGroupId = adGroupId;
              adGroupCriterion.criterion = criterion;

              // Create experiment bid multiplier rule that will modify criterion bid
              // for the experiment.
              ManualCPCAdGroupCriterionExperimentBidMultiplier bidMultiplier =
              new ManualCPCAdGroupCriterionExperimentBidMultiplier();
              bidMultiplier.maxCpcMultiplier = new BidMultiplier();
              bidMultiplier.maxCpcMultiplier.multiplier = 1.5;

              // Set experiment data to the criterion.
              BiddableAdGroupCriterionExperimentData adGroupCriterionExperimentData =
              new BiddableAdGroupCriterionExperimentData();
              adGroupCriterionExperimentData.experimentId = experimentId;
              adGroupCriterionExperimentData.experimentDeltaStatus = ExperimentDeltaStatus.MODIFIED;
              adGroupCriterionExperimentData.experimentBidMultiplier = bidMultiplier;

              adGroupCriterion.experimentData = adGroupCriterionExperimentData;

              // Create the operation.
              AdGroupCriterionOperation adGroupCriterionOperation = new AdGroupCriterionOperation();
              adGroupCriterionOperation.operand = adGroupCriterion;
              adGroupCriterionOperation.@operator = Operator.SET;

              // Update the ad group criteria.
              AdGroupCriterionReturnValue adGroupCriterionRetVal = adGroupCriterionService.mutate(
              new AdGroupCriterionOperation[] {adGroupCriterionOperation});

              // Display the results.
              if (adGroupCriterionRetVal != null && adGroupCriterionRetVal.value != null &&
              adGroupCriterionRetVal.value.Length > 0) {
            AdGroupCriterion updatedAdGroupCriterion = adGroupCriterionRetVal.value[0];
            Console.WriteLine("Ad group criterion with ad group id = \"{0}\", criterion id = "
                + "\"{1}\" and type = \"{2}\" was updated for the experiment.\n",
                updatedAdGroupCriterion.adGroupId, updatedAdGroupCriterion.criterion.id,
                updatedAdGroupCriterion.criterion.CriterionType);
              } else {
            Console.WriteLine("No ad group criteria were updated.");
              }
            } else {
              Console.WriteLine("No experiments were added.");
            }
              } catch (Exception ex) {
            throw new System.ApplicationException("Failed to add experiment.", ex);
              }
        }
        /// <summary>
        /// Adds an experiment.
        /// </summary>
        /// <param name="user">The user.</param>
        /// <param name="campaignId">The campaign id.</param>
        /// <param name="adGroupId">The ad group id.</param>
        /// <param name="criterionId">The criterion id.</param>
        /// <returns>The experiment id.</returns>
        public long AddExperiment(AdWordsUser user, long campaignId, long adGroupId, long criterionId)
        {
            // Get the ExperimentService.
              ExperimentService experimentService =
              (ExperimentService) user.GetService(AdWordsService.v201306.ExperimentService);

              // Get the AdGroupService.
              AdGroupService adGroupService =
              (AdGroupService) user.GetService(AdWordsService.v201306.AdGroupService);

              // Get the AdGroupCriterionService.
              AdGroupCriterionService adGroupCriterionService =
              (AdGroupCriterionService) user.GetService(AdWordsService.v201306.AdGroupCriterionService);

              // Create the experiment.
              Experiment experiment = new Experiment();
              experiment.campaignId = campaignId;
              experiment.name = "Interplanetary Cruise #" + GetTimeStamp();
              experiment.queryPercentage = 10;
              experiment.startDateTime = DateTime.Now.AddDays(1).ToString("yyyyMMdd HHmmss");

              // Create the operation.
              ExperimentOperation experimentOperation = new ExperimentOperation();
              experimentOperation.@operator = Operator.ADD;
              experimentOperation.operand = experiment;

              // Add the experiment.
              ExperimentReturnValue experimentRetVal = experimentService.mutate(
              new ExperimentOperation[] {experimentOperation});

              return experimentRetVal.value[0].id;
        }