The optimized targeting launch has been postponed. Line items will continue to use the targeting expansion feature and the targetingExpansion field of the LineItem resource will continue to behave as it has previously.

Viewability

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Possible viewability targeting options.

Enums
VIEWABILITY_UNSPECIFIED Default value when viewability is not specified in this version. This enum is a placeholder for default value and does not represent a real viewability option.
VIEWABILITY_10_PERCENT_OR_MORE Bid only on impressions that are at least 10% likely to be viewable.
VIEWABILITY_20_PERCENT_OR_MORE Bid only on impressions that are at least 20% likely to be viewable.
VIEWABILITY_30_PERCENT_OR_MORE Bid only on impressions that are at least 30% likely to be viewable.
VIEWABILITY_40_PERCENT_OR_MORE Bid only on impressions that are at least 40% likely to be viewable.
VIEWABILITY_50_PERCENT_OR_MORE Bid only on impressions that are at least 50% likely to be viewable.
VIEWABILITY_60_PERCENT_OR_MORE Bid only on impressions that are at least 60% likely to be viewable.
VIEWABILITY_70_PERCENT_OR_MORE Bid only on impressions that are at least 70% likely to be viewable.
VIEWABILITY_80_PERCENT_OR_MORE Bid only on impressions that are at least 80% likely to be viewable.
VIEWABILITY_90_PERCENT_OR_MORE Bid only on impressions that are at least 90% likely to be viewable.