AI-generated Key Takeaways
- 
          The document lists different viewability targeting options, each specifying a minimum likelihood percentage for an impression to be considered viewable. 
- 
          These options range from bidding on impressions with at least a 10% likelihood of viewability up to 90% likelihood. 
- 
          VIEWABILITY_UNSPECIFIEDis a default placeholder and not a real viewability option.
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. |