[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-06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 `StartDateTimeType` enumeration defines how an entity's start time is determined. It offers options including `USE_START_DATE_TIME`, which uses a specified date and time, `IMMEDIATELY` for an immediate start, and `ONE_HOUR_FROM_NOW` to start one hour later. When either of these last two is selected, the provided start time is overridden, and the start time type is set to `USE_START_DATE_TIME`. `UNKNOWN` is a placeholder for unexposed values. The service mentioned is: AdRuleService, ForecastService, LineItemCreativeAssociationService, LineItemService and LiveStreamEventService.\n"],null,["**Service** \n**AdRuleService** [ForecastService](/ad-manager/api/reference/v202502/ForecastService.StartDateTimeType) [LineItemCreativeAssociationService](/ad-manager/api/reference/v202502/LineItemCreativeAssociationService.StartDateTimeType) [LineItemService](/ad-manager/api/reference/v202502/LineItemService.StartDateTimeType) [LiveStreamEventService](/ad-manager/api/reference/v202502/LiveStreamEventService.StartDateTimeType) **Dependencies** \n[AdRule](/ad-manager/api/reference/v202502/AdRuleService.AdRule) \n▼\n**StartDateTimeType**\n\nSpecifies the start type to use for an entity with a start date time field.\nFor example, a [LineItem](/ad-manager/api/reference/v202502/ForecastService.LineItem) or [LineItemCreativeAssociation](/ad-manager/api/reference/v202502/LineItemCreativeAssociationService.LineItemCreativeAssociation).\n\n*** ** * ** ***\n\nNamespace\n:\n `https://www.google.com/apis/ads/publisher/v202502`\n\n| Enumeration | Description |\n|-----------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `USE_START_DATE_TIME` | Use the value in [startDateTime](#startDateTime). |\n| `IMMEDIATELY` | The entity will start serving immediately. [startDateTime](#startDateTime) in the request is ignored and will be set to the current time. Additionally, [startDateTimeType](#startDateTimeType) will be set to [StartDateTimeType.USE_START_DATE_TIME](/ad-manager/api/reference/v202502/AdRuleService.StartDateTimeType#USE_START_DATE_TIME). |\n| `ONE_HOUR_FROM_NOW` | The entity will start serving one hour from now. [startDateTime](#startDateTime) in the request is ignored and will be set to one hour from the current time. Additionally, [startDateTimeType](#startDateTimeType) will be set to [StartDateTimeType.USE_START_DATE_TIME](/ad-manager/api/reference/v202502/AdRuleService.StartDateTimeType#USE_START_DATE_TIME). |\n| `UNKNOWN` | The value returned if the actual value is not exposed by the requested API version. |"]]
