AdGroupAdServiceCarouselAd object describes information of carousel ad. This field is optional. *If adType is CAROUSEL_AD, this field is required in ADD operation.
Advertiser indication of the ad. This field is required in ADD operation, and will be optional in SET operation. However, if campaignGoal is APP_PROMOTION, it will automatically be set to the same value as appName of campaign, and it cannot be set to any other value.
このフィールドは、省略可能となります。
※ADD時、adTypeがCAROUSEL_ADの場合は必須です。
This field is optional.
*If adType is CAROUSEL_AD, this field is required in ADD operation.