Add, update or release(remove) Asset information of ad group. ・Update will overwrite the old information, so have to include the additional information on every updates. ・To release FeedItem information, update with blank data. ・Up to 20 asset information with valid status can be set for one ad group for each AdGroupAssetServiceType. ・Up to 2000 asset information with invalid status can be set for one ad group for each AdGroupAssetServiceType.
Updates configuration information between ad groups and assets. ・Up to 20 asset information with valid status can be set for one ad group for each AdGroupAssetServiceType. ・Up to 2000 asset information with invalid status can be set for one ad group for each AdGroupAssetServiceType.