系統代管實驗

系統管理的實驗會建立一或多個可修改的實驗組廣告活動，與原始控制組廣告活動一起放送，藉此進行 A/B 測試。這項工作流程支援下列 ExperimentType 值：

• SEARCH_CUSTOM：由搜尋廣告活動組成的自訂實驗。
• DISPLAY_CUSTOM：由多媒體廣告活動組成的自訂實驗。
• HOTEL_CUSTOM：由飯店廣告活動組成的自訂實驗。
• YOUTUBE_CUSTOM：由影片廣告活動組成的自訂實驗。
• ：這項實驗會測試購物廣告活動與最高成效廣告活動的成效差異。PMAX_REPLACEMENT_SHOPPING

設定

如要設定系統管理的實驗，請按照下列步驟操作：

1. 建立 Experiment。
2. 為控制組和實驗組建立 ExperimentArm 資源。
3. 修改實驗組中的 in_design_campaigns。

1. 建立實驗

如要使用 Google Ads API 執行實驗，第一步是建立 Experiment。這個資源定義了您想執行的實驗的一些重要資訊。在這個步驟中，您不會指定實驗中涉及的任何廣告活動。

以下簡要說明 Experiment 的部分主要欄位：

• name：每個實驗都必須有專屬名稱。
• description：選填欄位，可供日後參考。不會影響實驗執行方式。
• suffix：字尾會附加在實驗組廣告活動名稱的結尾，方便您區分實驗組和控制組廣告活動。我們會在步驟 2 中進一步說明這些概念。
• type：要執行的實驗類型。如果是系統管理的實驗，請使用 SEARCH_CUSTOM、DISPLAY_CUSTOM、HOTEL_CUSTOM、YOUTUBE_CUSTOM 或 PMAX_REPLACEMENT_SHOPPING。
• status：建立實驗時，請將這個欄位設為 SETUP。稍後，實驗開始後，您就能透過這個欄位查看目前狀態。
• start_date 和 end_date：指定實驗的開始和結束時間。
• sync_enabled：預設為停用。如果設為 true，您在實驗執行期間對原始廣告活動所做的變更，會自動複製到實驗廣告活動。瞭解詳情。

Java

private String createExperimentResource(GoogleAdsClient googleAdsClient, long customerId) {
  ExperimentOperation operation =
      ExperimentOperation.newBuilder()
          .setCreate(
              Experiment.newBuilder()
                  // Name must be unique.
                  .setName("Example Experiment #" + getPrintableDateTime())
                  .setType(ExperimentType.SEARCH_CUSTOM)
                  .setSuffix("[experiment]")
                  .setStatus(ExperimentStatus.SETUP)
                  .build())
          .build();

  try (ExperimentServiceClient experimentServiceClient =
      googleAdsClient.getLatestVersion().createExperimentServiceClient()) {
    MutateExperimentsResponse response =
        experimentServiceClient.mutateExperiments(
            Long.toString(customerId), ImmutableList.of(operation));
    String experiment = response.getResults(0).getResourceName();
    System.out.printf("Created experiment with resource name '%s'%n", experiment);
    return experiment;
  }
}
CreateExperiment.java
      

C#

/// <summary>
/// Creates the experiment.
/// </summary>
/// <param name="client">The Google Ads client.</param>
/// <param name="customerId">The customer ID for which the call is made.</param>
/// <returns>The resource name of the newly created experiment.</returns>
private static string CreateAnExperiment(GoogleAdsClient client, long customerId)
{
    // Get the ExperimentService.
    ExperimentServiceClient experimentService = client.GetService(
        Services.V24.ExperimentService);

    // Creates the experiment.
    Experiment experiment = new Experiment()
    {
        // Name must be unique.
        Name = $"Example Experiment #{ExampleUtilities.GetRandomString()}",
        Type = ExperimentType.SearchCustom,
        Suffix = "[experiment]",
        Status = ExperimentStatus.Setup
    };

    // Creates the operation.
    ExperimentOperation operation = new ExperimentOperation()
    {
        Create = experiment
    };

    // Makes the API call.
    MutateExperimentsResponse response = experimentService.MutateExperiments(
        customerId.ToString(), new[] { operation });

    // Displays the result.
    string experimentResourceName = response.Results.First().ResourceName;

    Console.WriteLine($"Created experiment with resource name " +
        $"'{experimentResourceName}'.");
    return experimentResourceName;
}
CreateExperiment.cs
      

PHP

private static function createExperimentResource(
    ExperimentServiceClient $experimentServiceClient,
    int $customerId
): string {
    // Creates an experiment and its operation.
    $experiment = new Experiment([
        // Name must be unique.
        'name' => 'Example Experiment #' . Helper::getPrintableDatetime(),
        'type' => ExperimentType::SEARCH_CUSTOM,
        'suffix' => '[experiment]',
        'status' => ExperimentStatus::SETUP
    ]);
    $experimentOperation = new ExperimentOperation(['create' => $experiment]);

    // Issues a request to create the experiment.
    $response = $experimentServiceClient->mutateExperiments(
        MutateExperimentsRequest::build($customerId, [$experimentOperation])
    );
    $experimentResourceName = $response->getResults()[0]->getResourceName();
    print "Created experiment with resource name '$experimentResourceName'" . PHP_EOL;

    return $experimentResourceName;
}
CreateExperiment.php
      

Python

def create_experiment_resource(
    client: GoogleAdsClient, customer_id: str
) -> str:
    """Creates a new experiment resource.

    Args:
        client: an initialized GoogleAdsClient instance.
        customer_id: a client customer ID.

    Returns:
        the resource name for the new experiment.
    """
    experiment_operation: ExperimentOperation = client.get_type(
        "ExperimentOperation"
    )
    experiment: Experiment = experiment_operation.create

    experiment.name = f"Example Experiment #{uuid.uuid4()}"
    # We specify SEARCH_CUSTOM to create a standard search campaign experiment.
    # This type uses a standard draft-based workflow where the system automatically
    # creates a draft/in-design campaign for the treatment arm.
    experiment.type_ = client.enums.ExperimentTypeEnum.SEARCH_CUSTOM
    experiment.suffix = "[experiment]"
    experiment.status = client.enums.ExperimentStatusEnum.SETUP

    experiment_service: ExperimentServiceClient = client.get_service(
        "ExperimentService"
    )
    response: MutateExperimentsResponse = experiment_service.mutate_experiments(
        customer_id=customer_id, operations=[experiment_operation]
    )

    experiment_resource_name: str = response.results[0].resource_name
    print(f"Created experiment with resource name {experiment_resource_name}")

    return experiment_resource_name
create_search_custom_experiment.py
      

Ruby

def create_experiment_resource(client, customer_id)
  operation = client.operation.create_resource.experiment do |e|
    # Name must be unique.
    e.name = "Example Experiment #{(Time.new.to_f * 1000).to_i}"
    e.type = :SEARCH_CUSTOM
    e.suffix = '[experiment]'
    e.status = :SETUP
  end

  response = client.service.experiment.mutate_experiments(
    customer_id: customer_id,
    operations: [operation],
  )

  experiment = response.results.first.resource_name
  puts "Created experiment with resource name #{experiment}."

  experiment
end
create_experiment.rb
      

Perl

sub create_experiment_resource {
  my ($api_client, $customer_id) = @_;

  my $experiment = Google::Ads::GoogleAds::V24::Resources::Experiment->new({
    # Name must be unique.
    name   => "Example Experiment #" . uniqid(),
    type   => SEARCH_CUSTOM,
    suffix => "[experiment]",
    status => SETUP
  });

  my $operation =
    Google::Ads::GoogleAds::V24::Services::ExperimentService::ExperimentOperation
    ->new({
      create => $experiment
    });

  my $response = $api_client->ExperimentService()->mutate({
      customerId => $customer_id,
      operations => [$operation]});

  my $resource_name = $response->{results}[0]{resourceName};
  printf "Created experiment with resource name '%s'.\n", $resource_name;
  return $resource_name;
}
create_experiment.pl
      

curl

注意：雖然這裡未提供這個步驟的直接 REST 程式碼範例，但您可以使用手動 REST 要求達成此目的。

請參閱 Google Ads API REST 介面說明文件和方法專屬的參考頁面。您需要根據 proto 定義建構 JSON 酬載。

重要資源：

• 使用 REST
• REST 介面結構
• JSON 欄位對應
• 請參閱特定服務和方法的 REST API 參考資料。

2. 建立實驗組

接著，請建立 ExperimentArm 資源，定義實驗的控制組和實驗組。所有組別都必須在單一要求中建立。

每個實驗都必須有一個控制組和一或多個實驗組。控制組會找出用於比較的基礎廣告活動，而每個實驗組都會產生新的廣告活動，供您進行變更以進行測試。

您也必須指定 traffic_split，也就是導向各組的流量百分比。所有組別的流量分配比例總和必須為 100。

Java

private String createExperimentArms(
    GoogleAdsClient googleAdsClient, long customerId, long campaignId, String experiment) {
  List<ExperimentArmOperation> operations = new ArrayList<>();
  operations.add(
      ExperimentArmOperation.newBuilder()
          .setCreate(
              // The "control" arm references an already-existing campaign.
              ExperimentArm.newBuilder()
                  .setControl(true)
                  .addCampaigns(ResourceNames.campaign(customerId, campaignId))
                  .setExperiment(experiment)
                  .setName("control arm")
                  .setTrafficSplit(40)
                  .build())
          .build());
  operations.add(
      ExperimentArmOperation.newBuilder()
          .setCreate(
              // The non-"control" arm, also called a "treatment" arm, will automatically
              // generate draft campaigns that you can modify before starting the experiment.
              ExperimentArm.newBuilder()
                  .setControl(false)
                  .setExperiment(experiment)
                  .setName("experiment arm")
                  .setTrafficSplit(60)
                  .build())
          .build());

  try (ExperimentArmServiceClient experimentArmServiceClient =
      googleAdsClient.getLatestVersion().createExperimentArmServiceClient()) {
    // Constructs the mutate request.
    MutateExperimentArmsRequest mutateRequest = MutateExperimentArmsRequest.newBuilder()
        .setCustomerId(Long.toString(customerId))
        .addAllOperations(operations)
        // We want to fetch the draft campaign IDs from the treatment arm, so the easiest way to do
        // that is to have the response return the newly created entities.
        .setResponseContentType(ResponseContentType.MUTABLE_RESOURCE)
        .build();

    // Sends the mutate request.
    MutateExperimentArmsResponse response =
        experimentArmServiceClient.mutateExperimentArms(mutateRequest);

    // Results always return in the order that you specify them in the request. Since we created
    // the treatment arm last, it will be the last result.  If you don't remember which arm is the
    // treatment arm, you can always filter the query in the next section with
    // `experiment_arm.control = false`.
    MutateExperimentArmResult controlArmResult = response.getResults(0);
    MutateExperimentArmResult treatmentArmResult = response.getResults(
        response.getResultsCount() - 1);

    System.out.printf("Created control arm with resource name '%s'%n",
        controlArmResult.getResourceName());
    System.out.printf("Created treatment arm with resource name '%s'%n",
        treatmentArmResult.getResourceName());

    return treatmentArmResult.getExperimentArm().getInDesignCampaigns(0);
  }
}
CreateExperiment.java
      

C#

/// <summary>
/// Creates the experiment arms.
/// </summary>
/// <param name="client">The Google Ads client.</param>
/// <param name="customerId">The customer ID for which the call is made.</param>
/// <param name="baseCampaignId">ID of the campaign for which the control arm is
/// created.</param>
/// <param name="experimentResourceName">Resource name of the experiment.</param>
/// <returns>The control and treatment arms.</returns>
private static (MutateExperimentArmResult, MutateExperimentArmResult)
    CreateExperimentArms(GoogleAdsClient client, long customerId, long baseCampaignId,
        string experimentResourceName)
{
    // Get the ExperimentArmService.
    ExperimentArmServiceClient experimentService = client.GetService(
        Services.V24.ExperimentArmService);

    // Create the control arm. The control arm references an already-existing campaign.
    ExperimentArmOperation controlArmOperation = new ExperimentArmOperation()
    {
        Create = new ExperimentArm()
        {
            Control = true,
            Campaigns = {
                ResourceNames.Campaign(customerId, baseCampaignId)
            },
            Experiment = experimentResourceName,
            Name = "Control Arm",
            TrafficSplit = 40
        }
    };

    // Create the non-control arm. The non-"control" arm, also called a "treatment" arm,
    // will automatically generate draft campaigns that you can modify before starting the
    // experiment.
    ExperimentArmOperation treatmentArmOperation = new ExperimentArmOperation()
    {
        Create = new ExperimentArm()
        {
            Control = false,
            Experiment = experimentResourceName,
            Name = "Experiment Arm",
            TrafficSplit = 60
        }
    };

    // We want to fetch the draft campaign IDs from the treatment arm, so the
    // easiest way to do that is to have the response return the newly created
    // entities.
    MutateExperimentArmsRequest request = new MutateExperimentArmsRequest
    {
        CustomerId = customerId.ToString(),
        Operations = { controlArmOperation, treatmentArmOperation },
        ResponseContentType = ResponseContentType.MutableResource
    };


    MutateExperimentArmsResponse response = experimentService.MutateExperimentArms(
        request
    );

    // Results always return in the order that you specify them in the request.
    // Since we created the treatment arm last, it will be the last result.
    MutateExperimentArmResult controlArm = response.Results.First();
    MutateExperimentArmResult treatmentArm = response.Results.Last();

    Console.WriteLine($"Created control arm with resource name " +
        $"'{controlArm.ResourceName}.");
    Console.WriteLine($"Created treatment arm with resource name" +
      $" '{treatmentArm.ResourceName}'.");
    return (controlArm, treatmentArm);
}
CreateExperiment.cs
      

PHP

private static function createExperimentArms(
    GoogleAdsClient $googleAdsClient,
    int $customerId,
    int $campaignId,
    string $experimentResourceName
): string {
    $operations = [];
    $experimentArm1 = new ExperimentArm([
        // The "control" arm references an already-existing campaign.
        'control' => true,
        'campaigns' => [ResourceNames::forCampaign($customerId, $campaignId)],
        'experiment' => $experimentResourceName,
        'name' => 'control arm',
        'traffic_split' => 40
    ]);
    $operations[] = new ExperimentArmOperation(['create' => $experimentArm1]);
    $experimentArm2 = new ExperimentArm([
        // The non-"control" arm, also called a "treatment" arm, will automatically
        // generate draft campaigns that you can modify before starting the
        // experiment.
        'control' => false,
        'experiment' => $experimentResourceName,
        'name' => 'experiment arm',
        'traffic_split' => 60
    ]);
    $operations[] = new ExperimentArmOperation(['create' => $experimentArm2]);

    // Issues a request to create the experiment arms.
    $experimentArmServiceClient = $googleAdsClient->getExperimentArmServiceClient();
    $response = $experimentArmServiceClient->mutateExperimentArms(
        MutateExperimentArmsRequest::build($customerId, $operations)
            // We want to fetch the draft campaign IDs from the treatment arm, so the easiest
            // way to do that is to have the response return the newly created entities.
            ->setResponseContentType(ResponseContentType::MUTABLE_RESOURCE)
    );
    // Results always return in the order that you specify them in the request.
    // Since we created the treatment arm last, it will be the last result.
    $controlArmResourceName = $response->getResults()[0]->getResourceName();
    $treatmentArm = $response->getResults()[count($operations) - 1];
    print "Created control arm with resource name '$controlArmResourceName'" . PHP_EOL;
    print "Created treatment arm with resource name '{$treatmentArm->getResourceName()}'"
        . PHP_EOL;

    return $treatmentArm->getExperimentArm()->getInDesignCampaigns()[0];
}
CreateExperiment.php
      

Python

def create_experiment_arms(
    client: GoogleAdsClient,
    customer_id: str,
    base_campaign_id: str,
    experiment: str,
) -> str:
    """Creates a control and treatment experiment arms.

    Args:
        client: an initialized GoogleAdsClient instance.
        customer_id: a client customer ID.
        base_campaign_id: the campaign ID to associate with the control arm of
          the experiment.
        experiment: the resource name for an experiment.

    Returns:
        the resource name for the new treatment experiment arm.
    """
    operations: List[ExperimentArmOperation] = []

    campaign_service: CampaignServiceClient = client.get_service(
        "CampaignService"
    )

    # The "control" arm references an already-existing campaign.
    operation_1: ExperimentArmOperation = client.get_type(
        "ExperimentArmOperation"
    )
    exa_1: ExperimentArm = operation_1.create
    exa_1.control = True
    exa_1.campaigns.append(
        campaign_service.campaign_path(customer_id, base_campaign_id)
    )
    exa_1.experiment = experiment
    exa_1.name = "control arm"
    exa_1.traffic_split = 40
    operations.append(operation_1)

    # In standard campaign experiments, creating the treatment arm automatically
    # generates a draft campaign that you can modify before starting the experiment.
    operation_2: ExperimentArmOperation = client.get_type(
        "ExperimentArmOperation"
    )
    exa_2: ExperimentArm = operation_2.create
    exa_2.control = False
    exa_2.experiment = experiment
    exa_2.name = "experiment arm"
    exa_2.traffic_split = 60
    operations.append(operation_2)

    experiment_arm_service: ExperimentArmServiceClient = client.get_service(
        "ExperimentArmService"
    )
    request: MutateExperimentArmsRequest = client.get_type(
        "MutateExperimentArmsRequest"
    )
    request.customer_id = customer_id
    request.operations = operations
    # We want to fetch the draft campaign IDs from the treatment arm, so the
    # easiest way to do that is to have the response return the newly created
    # entities.
    request.response_content_type = (
        client.enums.ResponseContentTypeEnum.MUTABLE_RESOURCE
    )
    response: MutateExperimentArmsResponse = (
        experiment_arm_service.mutate_experiment_arms(request=request)
    )

    # Results always return in the order that you specify them in the request.
    # Since we created the treatment arm second, it will be the second result.
    control_arm_result: Any = response.results[0]
    treatment_arm_result: Any = response.results[1]

    print(
        f"Created control arm with resource name {control_arm_result.resource_name}"
    )
    print(
        f"Created treatment arm with resource name {treatment_arm_result.resource_name}"
    )

    return treatment_arm_result.experiment_arm.in_design_campaigns[0]
create_search_custom_experiment.py
      

Ruby

def create_experiment_arms(client, customer_id, base_campaign_id, experiment)
  operations = []
  operations << client.operation.create_resource.experiment_arm do |ea|
    # The "control" arm references an already-existing campaign.
    ea.control = true
    ea.campaigns << client.path.campaign(customer_id, base_campaign_id)
    ea.experiment = experiment
    ea.name = 'control arm'
    ea.traffic_split = 40
  end
  operations << client.operation.create_resource.experiment_arm do |ea|
    # The non-"control" arm, also called a "treatment" arm, will automatically
    # generate draft campaigns that you can modify before starting the
    # experiment.
    ea.control = false
    ea.experiment = experiment
    ea.name = 'experiment arm'
    ea.traffic_split = 60
  end

  response = client.service.experiment_arm.mutate_experiment_arms(
    customer_id: customer_id,
    operations: operations,
    # We want to fetch the draft campaign IDs from the treatment arm, so the
    # easiest way to do that is to have the response return the newly created
    # entities.
    response_content_type: :MUTABLE_RESOURCE,
  )

  # Results always return in the order that you specify them in the request.
  # Since we created the treatment arm last, it will be the last result.
  control_arm_result = response.results.first
  treatment_arm_result = response.results.last

  puts "Created control arm with resource name #{control_arm_result.resource_name}."
  puts "Created treatment arm with resource name #{treatment_arm_result.resource_name}."

  treatment_arm_result.experiment_arm.in_design_campaigns.first
end
create_experiment.rb
      

Perl

sub create_experiment_arms {
  my ($api_client, $customer_id, $base_campaign_id, $experiment) = @_;

  my $operations = [];
  push @$operations,
    Google::Ads::GoogleAds::V24::Services::ExperimentArmService::ExperimentArmOperation
    ->new({
      create => Google::Ads::GoogleAds::V24::Resources::ExperimentArm->new({
          # The "control" arm references an already-existing campaign.
          control   => "true",
          campaigns => [
            Google::Ads::GoogleAds::V24::Utils::ResourceNames::campaign(
              $customer_id, $base_campaign_id
            )
          ],
          experiment   => $experiment,
          name         => "control arm",
          trafficSplit => 40
        })});

  push @$operations,
    Google::Ads::GoogleAds::V24::Services::ExperimentArmService::ExperimentArmOperation
    ->new({
      create => Google::Ads::GoogleAds::V24::Resources::ExperimentArm->new({
          # The non-"control" arm, also called a "treatment" arm, will automatically
          # generate draft campaigns that you can modify before starting the
          # experiment.
          control      => "false",
          experiment   => $experiment,
          name         => "experiment arm",
          trafficSplit => 60
        })});

  my $response = $api_client->ExperimentArmService()->mutate({
    customerId => $customer_id,
    operations => $operations,
    # We want to fetch the draft campaign IDs from the treatment arm, so the
    # easiest way to do that is to have the response return the newly created
    # entities.
    responseContentType => MUTABLE_RESOURCE
  });

  # Results always return in the order that you specify them in the request.
  # Since we created the treatment arm last, it will be the last result.
  my $control_arm_result   = $response->{results}[0];
  my $treatment_arm_result = $response->{results}[1];

  printf "Created control arm with resource name '%s'.\n",
    $control_arm_result->{resourceName};
  printf "Created treatment arm with resource name '%s'.\n",
    $treatment_arm_result->{resourceName};
  return $treatment_arm_result->{experimentArm}{inDesignCampaigns}[0];
}
create_experiment.pl
      

curl

注意：雖然這裡未提供這個步驟的直接 REST 程式碼範例，但您可以使用手動 REST 要求達成此目的。

請參閱 Google Ads API REST 介面說明文件和方法專屬的參考頁面。您需要根據 proto 定義建構 JSON 酬載。

重要資源：

• 使用 REST
• REST 介面結構
• JSON 欄位對應
• 請參閱特定服務和方法的 REST API 參考資料。

幾個考量重點：

• 必須將其中一個廣告活動的 control 設為 true。
• 所有實驗組的 traffic_split 總和必須為 100。
• 控制組的 campaigns 欄位必須只指定一個廣告活動。

注意： 建立實驗組時，無法使用部分失敗。

3. 修改實驗組廣告活動

建立實驗組 (其中 control 為 false) 時，API 會根據控制組廣告活動自動建立廣告活動草稿，並在實驗組的 in_design_campaigns 欄位中填入資源名稱。您可以將這些設計中的廣告活動視為一般廣告活動，並修改這些廣告活動，加入您想測試的變更。控制組廣告活動不會受到影響。 排定實驗時間後，這些變更就會成為可放送的實際廣告活動。

您必須先對設計中的廣告活動進行至少一項變更，才能排定實驗。

如要擷取實驗組的 in_design_campaigns，請查詢： GoogleAdsService

SELECT experiment_arm.in_design_campaigns
FROM experiment_arm
WHERE experiment_arm.resource_name = "TREATMENT_ARM_RESOURCE_NAME"

提示： 只有在查詢中加入 include_drafts=true 參數，系統才會傳回草稿廣告活動。

排定實驗時段

建立實驗和實驗組，並修改實驗組草稿廣告活動後，即可使用 ExperimentService.ScheduleExperiment 安排實驗。這項非同步作業會將設計中的廣告活動具體化為實際廣告活動，待實驗的 start_date抵達後，即可放送。如要瞭解如何處理長時間執行的作業，請參閱「非同步錯誤」。

實驗報表

實驗開始後，您可以查詢指標來比較成效。詳情請參閱報表指南。

完成、升級或結束實驗

讓實驗執行一段時間後，您可以使用 ExperimentService 選擇結束、升級或晉升實驗。

• 結束：如要停止實驗但不套用變更，請使用 EndExperiment。實驗組廣告活動會停止放送，但不會移除。這是同步作業。
• 升級：如果您對實驗組的成效感到滿意，並想將變更納入原始廣告活動，請使用 PromoteExperiment。這會將實驗組的變更複製到控制組廣告活動，並停止放送實驗組。這是非同步作業，詳情請參閱「非同步錯誤」。注意：PMAX_REPLACEMENT_SHOPPING類型的實驗無法宣傳。
• 畢業：如果喜歡這些變更，但希望變更與原始廣告活動分開，請使用 GraduateExperiment。這會將實驗組廣告活動轉換為標準的獨立廣告活動，並在實驗以外的環境中繼續放送。控制組廣告活動不會修改。這項作業是同步作業。

類型專屬規定

PMAX_REPLACEMENT_SHOPPING：

• 必須有兩個實驗組 (一個控制組，一個實驗組)。
• 控制組必須在 campaigns 欄位中指定一個購物廣告活動。
• 實驗組的最高成效廣告活動設定有兩種方式：
  • 如要建立新的最高成效廣告活動，請將實驗組的 campaigns 欄位留空。如步驟 3 所述，API 會根據控制組購物廣告活動，自動建立設計內廣告活動。
  • 如要使用現有最高成效廣告活動，請在實驗組的 campaigns 欄位中指定最高成效廣告活動的資源名稱。選取這個選項後，系統不會建立設計中的廣告活動，您可以略過步驟 3。
• 建議您評估時排除前 7 天的統計資料，讓廣告活動有時間完成適應期和學習階段。
• 無法宣傳。

YOUTUBE_CUSTOM：

• 最多支援 10 個實驗組。
• 如要測試素材資源，請在實驗組中設定 creative_asset_testing_info。