`TPlacementGroup`
pl		accountId
pl		advertiserId
pl		advertiserIdDimensionValue
pl		archived
pl		campaignId
pl		campaignIdDimensionValue
pl		childPlacementIds
pl		comment
pl		contentCategoryId
pl		createInfo
pl		directorySiteId
pl		directorySiteIdDimensionValue
pl		externalId
pl		id
pl		idDimensionValue
pl		kind
pl		lastModifiedInfo
pl		name
pl		placementGroupType
pl		placementStrategyId
pl		pricingSchedule
pl		primaryPlacementId
pl		primaryPlacementIdDimensionValue
pl		siteId
pl		siteIdDimensionValue
pl		subaccountId

`TGoogleBaseObject`