Indicates the type of unit used for defining a reservation. The
CostType can differ from the UnitType - an
ad can have an impression goal, but be billed by its click. Usually
CostType and UnitType will refer to the
same unit.
Namespace
https://www.google.com/apis/ads/publisher/v202411
Enumeration
Description
IMPRESSIONS
The number of impressions served by creatives associated with the line
item. Line items of all LineItemType support this UnitType.
The number of click-through Cost-Per-Action (CPA) conversions from creatives
associated with the line item. This is only supported as secondary goal and the
LineItem.costType must be CostType.CPA.
VIEW_THROUGH_CPA_CONVERSIONS
The number of view-through Cost-Per-Action (CPA) conversions from creatives
associated with the line item. This is only supported as secondary goal and the
LineItem.costType must be CostType.CPA.
TOTAL_CPA_CONVERSIONS
The number of total Cost-Per-Action (CPA) conversions from creatives
associated with the line item. This is only supported as secondary goal and the
LineItem.costType must be CostType.CPA.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-06 UTC."],[[["\u003cp\u003e\u003ccode\u003eUnitType\u003c/code\u003e indicates the unit used for defining a reservation, such as impressions, clicks, or conversions, which may differ from how the line item is billed (\u003ccode\u003eCostType\u003c/code\u003e).\u003c/p\u003e\n"],["\u003cp\u003eIt is used by the \u003ccode\u003eForecastService\u003c/code\u003e, \u003ccode\u003eLineItemService\u003c/code\u003e, and \u003ccode\u003eProposalLineItemService\u003c/code\u003e in Google Ad Manager.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eUnitType\u003c/code\u003e can be impressions, clicks, various types of CPA conversions, viewable impressions, in-target impressions, or unknown.\u003c/p\u003e\n"],["\u003cp\u003eWhile most line item types support impression-based \u003ccode\u003eUnitType\u003c/code\u003e, certain types like clicks or viewable impressions require specific \u003ccode\u003eLineItemType\u003c/code\u003e settings.\u003c/p\u003e\n"],["\u003cp\u003eCPA-based \u003ccode\u003eUnitType\u003c/code\u003e is primarily used as a secondary goal and necessitates the line item's \u003ccode\u003ecostType\u003c/code\u003e to be CPA.\u003c/p\u003e\n"]]],["`UnitType` defines the unit for reservation, which may differ from `CostType`. Units include `IMPRESSIONS`, `CLICKS`, and various CPA conversion types (`CLICK_THROUGH_CPA_CONVERSIONS`, `VIEW_THROUGH_CPA_CONVERSIONS`, `TOTAL_CPA_CONVERSIONS`). Other units are `VIEWABLE_IMPRESSIONS` and `IN_TARGET_IMPRESSIONS`. CPA conversion types are secondary goals, requiring `CostType.CPA`. Certain `LineItemType` values are required for some units. `UNKNOWN` is returned if a value isn't accessible.\n"],null,["# enum UnitType (v202411)\n\n**Service** \n[ForecastService](/ad-manager/api/reference/v202411/ForecastService.UnitType) **LineItemService** [ProposalLineItemService](/ad-manager/api/reference/v202411/ProposalLineItemService.UnitType) **Dependencies** \n[Goal](/ad-manager/api/reference/v202411/LineItemService.Goal) \n▼\n**UnitType**\n\nIndicates the type of unit used for defining a reservation. The\n[CostType](/ad-manager/api/reference/v202411/LineItemService.CostType) can differ from the [UnitType](/ad-manager/api/reference/v202411/LineItemService.UnitType) - an\nad can have an impression goal, but be billed by its click. Usually\n[CostType](/ad-manager/api/reference/v202411/LineItemService.CostType) and [UnitType](/ad-manager/api/reference/v202411/LineItemService.UnitType) will refer to the\nsame unit.\n\n*** ** * ** ***\n\nNamespace\n:\n `https://www.google.com/apis/ads/publisher/v202411`\n\n| Enumeration | Description |\n|---------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `IMPRESSIONS` | The number of impressions served by creatives associated with the line item. Line items of all [LineItemType](/ad-manager/api/reference/v202411/LineItemService.LineItemType) support this `UnitType`. |\n| `CLICKS` | The number of clicks reported by creatives associated with the line item. The [LineItem.lineItemType](/ad-manager/api/reference/v202411/LineItemService.LineItem#lineItemType) must be [LineItemType.STANDARD](/ad-manager/api/reference/v202411/LineItemService.LineItemType#STANDARD), [LineItemType.BULK](/ad-manager/api/reference/v202411/LineItemService.LineItemType#BULK) or [LineItemType.PRICE_PRIORITY](/ad-manager/api/reference/v202411/LineItemService.LineItemType#PRICE_PRIORITY). |\n| `CLICK_THROUGH_CPA_CONVERSIONS` | The number of click-through Cost-Per-Action (CPA) conversions from creatives associated with the line item. This is only supported as secondary goal and the [LineItem.costType](/ad-manager/api/reference/v202411/LineItemService.LineItem#costType) must be [CostType.CPA](/ad-manager/api/reference/v202411/LineItemService.CostType#CPA). |\n| `VIEW_THROUGH_CPA_CONVERSIONS` | The number of view-through Cost-Per-Action (CPA) conversions from creatives associated with the line item. This is only supported as secondary goal and the [LineItem.costType](/ad-manager/api/reference/v202411/LineItemService.LineItem#costType) must be [CostType.CPA](/ad-manager/api/reference/v202411/LineItemService.CostType#CPA). |\n| `TOTAL_CPA_CONVERSIONS` | The number of total Cost-Per-Action (CPA) conversions from creatives associated with the line item. This is only supported as secondary goal and the [LineItem.costType](/ad-manager/api/reference/v202411/LineItemService.LineItem#costType) must be [CostType.CPA](/ad-manager/api/reference/v202411/LineItemService.CostType#CPA). |\n| `VIEWABLE_IMPRESSIONS` | The number of viewable impressions reported by creatives associated with the line item. The [LineItem.lineItemType](/ad-manager/api/reference/v202411/LineItemService.LineItem#lineItemType) must be [LineItemType.STANDARD](/ad-manager/api/reference/v202411/LineItemService.LineItemType#STANDARD). |\n| `IN_TARGET_IMPRESSIONS` | The number of in-target impressions reported by third party measurements. The [LineItem.lineItemType](/ad-manager/api/reference/v202411/LineItemService.LineItem#lineItemType) must be [LineItemType.STANDARD](/ad-manager/api/reference/v202411/LineItemService.LineItemType#STANDARD). |\n| `UNKNOWN` | The value returned if the actual value is not exposed by the requested API version. |"]]
