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# CampaignUpdate.Targeting

Targeting configuration for updating an existing campaign’s supply source, placement, and geographic markets.

```
object CampaignUpdate.Targeting
```

## Discussion

Omit a field to leave its current value unchanged.

See [`CampaignTargetingUpdate`](/documentation/Apple-Ads-Platform-API/CampaignTargetingUpdate) for the full field reference.

---

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