AI-generated Key Takeaways
- 
          Display & Video 360 API v3 has sunset and users should use v4 instead. 
- 
          The content describes the settings that control the optimized targeting for line items. 
- 
          Optimized targeting is not compatible with all bid strategies and specific combinations of bidding strategy fields and performance goal types will result in an error. 
- 
          The JSON representation of the TargetingExpansionConfig includes fields for enabling optimized targeting, excluding audience expansion seed lists, and specifying the audience expansion level. 
- 
          Audience expansion level, applicable to YouTube and Partners line items and ad groups, indicates the magnitude of expansion for eligible first-party user lists. 
Settings that control the optimized targeting settings of the line item.
| JSON representation | 
|---|
| {
  "enableOptimizedTargeting": boolean,
  "audienceExpansionSeedListExcluded": boolean,
  "audienceExpansionLevel": enum ( | 
| Fields | |
|---|---|
| enableOptimizedTargeting | 
 Required. Whether to enable Optimized Targeting for the line item. Optimized targeting is not compatible with all bid strategies. Attempting to set this field to  
 
 | 
| audienceExpansionSeedListExcluded | 
 Output only. Whether to exclude seed list for audience expansion. This field only applies to YouTube and Partners line item and ad group resources. | 
| audienceExpansionLevel | 
 Output only. Magnitude of expansion for eligible first-party user lists under this ad group. This field only applies to YouTube and Partners line item and ad group resources. | 
AudienceExpansionLevel
Qualitative description of audience expansion level.
| Enums | |
|---|---|
| UNKNOWN | Audience expansion level is not specified or is unknown in this version. | 
| NO_REACH | Audience expansion off. | 
| LEAST_REACH | Conservative audience expansion. | 
| MID_REACH | Moderate audience expansion. | 
| MOST_REACH | Aggressive audience expansion. |