# type LineItemActivityAssociation (v202602)

**Service** **ForecastService** [LineItemService](https://developers.google.com/ad-manager/api/reference/v202602/LineItemService.LineItemActivityAssociation) **Dependencies** [LineItemSummary](https://developers.google.com/ad-manager/api/reference/v202602/ForecastService.LineItemSummary) ▼ **LineItemActivityAssociation**

A `LineItemActivityAssociation` associates a [LineItem](https://developers.google.com/ad-manager/api/reference/v202602/ForecastService.LineItem) with an `Activity` so
that the conversions of the `Activity` can be counted against the [LineItem](https://developers.google.com/ad-manager/api/reference/v202602/ForecastService.LineItem).

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Namespace
:
    `https://www.google.com/apis/ads/publisher/v202602`

| ## Field ||
|---|---|
| ### `activityId` | ` xsd:int` The ID of the `Activity` to which the [LineItem](https://developers.google.com/ad-manager/api/reference/v202602/ForecastService.LineItem) should be associated. This attribute is required. |
| ### `clickThroughConversionCost` | ` https://developers.google.com/ad-manager/api/reference/v202602/ForecastService.Money ` The amount of money to attribute per click through conversion. This attribute is required for creating a `LineItemActivityAssociation`. The currency code is readonly and should match the [LineItem](https://developers.google.com/ad-manager/api/reference/v202602/ForecastService.LineItem). |
| ### `viewThroughConversionCost` | ` https://developers.google.com/ad-manager/api/reference/v202602/ForecastService.Money ` The amount of money to attribute per view through conversion. This attribute is required for creating a `LineItemActivityAssociation`. The currency code is readonly and should match the [LineItem](https://developers.google.com/ad-manager/api/reference/v202602/ForecastService.LineItem). |