AI-generated Key Takeaways
- 
          RateType describes the type of event an advertiser pays for and corresponds to the LineItem.costType field. 
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          RateType is part of the https://www.google.com/apis/ads/publisher/v202505namespace.
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          The possible enumeration values for RateType include CPM, CPD, VCPM, CPM_IN_TARGET, and UNKNOWN, each representing a different revenue calculation method. 
Describes the type of event the advertiser is paying for. The values here correspond to the values for the LineItem.costType field.
- Namespace
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               https://www.google.com/apis/ads/publisher/v202505
| Enumeration | Description | 
|---|---|
| CPM | The rate applies to cost per mille (CPM) revenue. | 
| CPD | The rate applies to cost per day (CPD) revenue. | 
| VCPM | The rate applies to Active View viewable cost per mille (vCPM) revenue. | 
| CPM_IN_TARGET | The rate applies to cost per mille in-target (CPM In-Target). | 
| UNKNOWN | The value returned if the actual value is not exposed by the requested API version. |