# enum LineItemType (v202508)

**Service** [AdRuleService](https://developers.google.com/ad-manager/api/reference/v202508/AdRuleService.LineItemType) **ForecastService** [LineItemService](https://developers.google.com/ad-manager/api/reference/v202508/LineItemService.LineItemType) [LineItemTemplateService](https://developers.google.com/ad-manager/api/reference/v202508/LineItemTemplateService.LineItemType) [ProposalLineItemService](https://developers.google.com/ad-manager/api/reference/v202508/ProposalLineItemService.LineItemType) **Dependencies** [LineItemSummary](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.LineItemSummary) [ProposalLineItem](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.ProposalLineItem) ▼ **LineItemType**


`LineItemType` indicates the priority of a [LineItem](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.LineItem), determined
by the way in which impressions are reserved to be served for it.

*** ** * ** ***

Namespace
:
    `https://www.google.com/apis/ads/publisher/v202508`

| Enumeration | Description |
|---|---|
| `SPONSORSHIP` | The type of [LineItem](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.LineItem) for which a percentage of all the impressions that are being sold are reserved. |
| `STANDARD` | The type of [LineItem](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.LineItem) for which a fixed quantity of impressions or clicks are reserved. |
| `NETWORK` | The type of [LineItem](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.LineItem) most commonly used to fill a site's unsold inventory if not contractually obligated to deliver a requested number of impressions. Users specify the daily percentage of unsold impressions or clicks when creating this line item. |
| `BULK` | The type of [LineItem](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.LineItem) for which a fixed quantity of impressions or clicks will be delivered at a priority lower than the [LineItemType.STANDARD](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.LineItemType#STANDARD) type. |
| `PRICE_PRIORITY` | The type of [LineItem](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.LineItem) most commonly used to fill a site's unsold inventory if not contractually obligated to deliver a requested number of impressions. Users specify the fixed quantity of unsold impressions or clicks when creating this line item. |
| `HOUSE` | The type of [LineItem](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.LineItem) typically used for ads that promote products and services chosen by the publisher. These usually do not generate revenue and have the lowest delivery priority. |
| `LEGACY_DFP` | Represents a legacy [LineItem](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.LineItem) that has been migrated from the DFP system. Such line items cannot be created any more. Also, these line items cannot be activated or resumed. |
| `CLICK_TRACKING` | The type of [LineItem](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.LineItem) used for ads that track ads being served externally of Ad Manager, for example an email newsletter. The click through would reference this ad, and the click would be tracked via this ad. |
| `ADSENSE` | A [LineItem](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.LineItem) using dynamic allocation backed by AdSense. |
| `AD_EXCHANGE` | A [LineItem](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.LineItem) using dynamic allocation backed by the Google Ad Exchange. |
| `BUMPER` | Represents a non-monetizable video [LineItem](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.LineItem) that targets one or more bumper positions, which are short house video messages used by publishers to separate content from ad breaks. |
| `ADMOB` | A [LineItem](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.LineItem) using dynamic allocation backed by AdMob. |
| `PREFERRED_DEAL` | The type of [LineItem](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.LineItem) for which there are no impressions reserved, and will serve for a second price bid. All [LineItem](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.LineItem)s of type [LineItemType.PREFERRED_DEAL](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.LineItemType#PREFERRED_DEAL) should be created via a [ProposalLineItem](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.ProposalLineItem) with a matching type. When creating a [LineItem](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.LineItem) of type [LineItemType.PREFERRED_DEAL](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.LineItemType#PREFERRED_DEAL), the [ProposalLineItem.estimatedMinimumImpressions](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.ProposalLineItem#estimatedMinimumImpressions) field is required. |
| `UNKNOWN` | The value returned if the actual value is not exposed by the requested API version. |