Possible delivery rates for a LineItem, which dictate the manner in
which they are served.
Namespace
https://www.google.com/apis/ads/publisher/v202502
Enumeration
Description
EVENLY
Line items are served as evenly as possible across the number of
days specified in a line item's LineItem.duration.
FRONTLOADED
Line items are served more aggressively in the beginning of the flight
date.
AS_FAST_AS_POSSIBLE
The booked impressions for a line item may be delivered well before the
LineItem.endDateTime. Other lower-priority or lower-value line
items will be stopped from delivering until this line item meets the number
of impressions or clicks it is booked for.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-06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."],[],["The document defines `DeliveryRateType` for line items, which determines how they are served. Three types are specified: `EVENLY`, where items are served uniformly over the duration; `FRONTLOADED`, where items are prioritized at the start; and `AS_FAST_AS_POSSIBLE`, where items are delivered rapidly, potentially preempting other items until booked impressions are met. The namespace is identified, and it lists associated services such as `ForecastService`, `LineItemService` and `ProposalLineItemService`.\n"],null,["# enum DeliveryRateType (v202502)\n\n**Service** \n**ForecastService** [LineItemService](/ad-manager/api/reference/v202502/LineItemService.DeliveryRateType) [LineItemTemplateService](/ad-manager/api/reference/v202502/LineItemTemplateService.DeliveryRateType) [ProposalLineItemService](/ad-manager/api/reference/v202502/ProposalLineItemService.DeliveryRateType) **Dependencies** \n[LineItemSummary](/ad-manager/api/reference/v202502/ForecastService.LineItemSummary) [ProposalLineItem](/ad-manager/api/reference/v202502/ForecastService.ProposalLineItem) \n▼\n**DeliveryRateType**\n\nPossible delivery rates for a [LineItem](/ad-manager/api/reference/v202502/ForecastService.LineItem), which dictate the manner in\nwhich they are served.\n\n*** ** * ** ***\n\nNamespace\n:\n `https://www.google.com/apis/ads/publisher/v202502`\n\n| Enumeration | Description |\n|-----------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `EVENLY` | Line items are served as evenly as possible across the number of days specified in a line item's [LineItem.duration](/ad-manager/api/reference/v202502/ForecastService.LineItem#duration). |\n| `FRONTLOADED` | Line items are served more aggressively in the beginning of the flight date. |\n| `AS_FAST_AS_POSSIBLE` | The booked impressions for a line item may be delivered well before the [LineItem.endDateTime](/ad-manager/api/reference/v202502/ForecastService.LineItem#endDateTime). Other lower-priority or lower-value line items will be stopped from delivering until this line item meets the number of impressions or clicks it is booked for. |"]]
