# type ContendingLineItem (v202602)

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

Describes contending line items for a `Forecast`.

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

| ## Field ||
|---|---|
| ### `lineItemId` | ` xsd:long` The [Id](https://developers.google.com/ad-manager/api/reference/v202602/ForecastService.LineItem#id) of the contending line item. |
| ### `contendingImpressions` | ` xsd:long` Number of impressions contended for by both the forecasted line item and this line item, but served to this line item in the forecast simulation. |