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# PricingModel

The type of pricing model for a bid.

```
string PricingModel
```

## Discussion> Important:
> > Apple Ads Campaign Management API 4.4 deprecates CPM. You can’t update CPM campaigns to CPC campaigns. You need to use CPC when creating a new campaign. See section 4.4 in  <doc://com.apple.appleads/documentation/Apple_Ads/apple-search-ads-campaign-management-api-4> for additional details.

## Discussion

See also [`AdChannelType`](/documentation/apple_ads/AdChannelType), [`BillingEventType`](/documentation/apple_ads/BillingEventType), and [`Campaign`](/documentation/apple_ads/Campaign) object. See [`Create a Campaign`](/documentation/apple_ads/Create-a-Campaign) and [`Create an Ad Group`](/documentation/apple_ads/Create-an-Ad-Group) for payload examples.

---

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