AI-generated Key Takeaways
- 
          CostType describes the billable actions for a LineItem. 
- 
          Cost per action (CPA) will become read-only starting February 22, 2024, as part of Spotlight deprecation. 
- 
          Different CostTypes like CPA, CPC, CPD, CPM, VCPM, and CPM_IN_TARGET are associated with specific LineItem types. 
- 
          UNKNOWN is the value returned when the actual value is not exposed by the API version. 
Describes the LineItem actions that are billable.
- Namespace
- 
               https://www.google.com/apis/ads/publisher/v202505
| Enumeration | Description | 
|---|---|
| CPA | Starting February 22, 2024 the CPA CostType will be read only as part of
Spotlight deprecation, learn
more. Cost per action. The LineItem.lineItemType must be one of: | 
| CPC | Cost per click. The LineItem.lineItemType must be one of: | 
| CPD | Cost per day. The LineItem.lineItemType must be one of: | 
| CPM | Cost per mille (cost per thousand impressions). The LineItem.lineItemType must be one of: | 
| VCPM | Cost per thousand Active View viewable impressions. The LineItem.lineItemType must be LineItemType.STANDARD. | 
| CPM_IN_TARGET | Cost per thousand in-target impressions. The LineItem.lineItemType must be LineItemType.STANDARD. | 
| UNKNOWN | The value returned if the actual value is not exposed by the requested API version. |