[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-06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."],[[["\u003cp\u003eThe SegmentPopulationService allows you to manage and analyze audience segments in Google Ad Manager.\u003c/p\u003e\n"],["\u003cp\u003eIt provides methods to retrieve and update segment populations based on various criteria using Publisher Query Language (PQL).\u003c/p\u003e\n"],["\u003cp\u003eThis service inherits from \u003ccode\u003eApiError\u003c/code\u003e and includes specific error types like \u003ccode\u003eStringFormatError\u003c/code\u003e, \u003ccode\u003eSegmentPopulationError\u003c/code\u003e, and more for troubleshooting.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eStringFormatError\u003c/code\u003e arises when a string value doesn't adhere to the expected format, with reasons including illegal characters or invalid formatting.\u003c/p\u003e\n"],["\u003cp\u003eDevelopers can use this service to programmatically control audience segments for targeting and reporting within their Ad Manager network.\u003c/p\u003e\n"]]],[],null,["**Service** \n[AdRuleService](/ad-manager/api/reference/v202408/AdRuleService.StringFormatError) [AdjustmentService](/ad-manager/api/reference/v202408/AdjustmentService.StringFormatError) [AdsTxtService](/ad-manager/api/reference/v202408/AdsTxtService.StringFormatError) [AudienceSegmentService](/ad-manager/api/reference/v202408/AudienceSegmentService.StringFormatError) [CdnConfigurationService](/ad-manager/api/reference/v202408/CdnConfigurationService.StringFormatError) [CmsMetadataService](/ad-manager/api/reference/v202408/CmsMetadataService.StringFormatError) [CompanyService](/ad-manager/api/reference/v202408/CompanyService.StringFormatError) [ContactService](/ad-manager/api/reference/v202408/ContactService.StringFormatError) [ContentBundleService](/ad-manager/api/reference/v202408/ContentBundleService.StringFormatError) [ContentService](/ad-manager/api/reference/v202408/ContentService.StringFormatError) [CreativeService](/ad-manager/api/reference/v202408/CreativeService.StringFormatError) [CreativeSetService](/ad-manager/api/reference/v202408/CreativeSetService.StringFormatError) [CreativeTemplateService](/ad-manager/api/reference/v202408/CreativeTemplateService.StringFormatError) [CreativeWrapperService](/ad-manager/api/reference/v202408/CreativeWrapperService.StringFormatError) [CustomFieldService](/ad-manager/api/reference/v202408/CustomFieldService.StringFormatError) [CustomTargetingService](/ad-manager/api/reference/v202408/CustomTargetingService.StringFormatError) [DaiAuthenticationKeyService](/ad-manager/api/reference/v202408/DaiAuthenticationKeyService.StringFormatError) [DaiEncodingProfileService](/ad-manager/api/reference/v202408/DaiEncodingProfileService.StringFormatError) [ForecastService](/ad-manager/api/reference/v202408/ForecastService.StringFormatError) [InventoryService](/ad-manager/api/reference/v202408/InventoryService.StringFormatError) [LabelService](/ad-manager/api/reference/v202408/LabelService.StringFormatError) [LineItemCreativeAssociationService](/ad-manager/api/reference/v202408/LineItemCreativeAssociationService.StringFormatError) [LineItemService](/ad-manager/api/reference/v202408/LineItemService.StringFormatError) [LineItemTemplateService](/ad-manager/api/reference/v202408/LineItemTemplateService.StringFormatError) [LiveStreamEventService](/ad-manager/api/reference/v202408/LiveStreamEventService.StringFormatError) [MobileApplicationService](/ad-manager/api/reference/v202408/MobileApplicationService.StringFormatError) [NativeStyleService](/ad-manager/api/reference/v202408/NativeStyleService.StringFormatError) [NetworkService](/ad-manager/api/reference/v202408/NetworkService.StringFormatError) [OrderService](/ad-manager/api/reference/v202408/OrderService.StringFormatError) [PlacementService](/ad-manager/api/reference/v202408/PlacementService.StringFormatError) [ProposalLineItemService](/ad-manager/api/reference/v202408/ProposalLineItemService.StringFormatError) [ProposalService](/ad-manager/api/reference/v202408/ProposalService.StringFormatError) [PublisherQueryLanguageService](/ad-manager/api/reference/v202408/PublisherQueryLanguageService.StringFormatError) [ReportService](/ad-manager/api/reference/v202408/ReportService.StringFormatError) **SegmentPopulationService** [SiteService](/ad-manager/api/reference/v202408/SiteService.StringFormatError) [StreamActivityMonitorService](/ad-manager/api/reference/v202408/StreamActivityMonitorService.StringFormatError) [SuggestedAdUnitService](/ad-manager/api/reference/v202408/SuggestedAdUnitService.StringFormatError) [TargetingPresetService](/ad-manager/api/reference/v202408/TargetingPresetService.StringFormatError) [TeamService](/ad-manager/api/reference/v202408/TeamService.StringFormatError) [UserService](/ad-manager/api/reference/v202408/UserService.StringFormatError) [UserTeamAssociationService](/ad-manager/api/reference/v202408/UserTeamAssociationService.StringFormatError) [YieldGroupService](/ad-manager/api/reference/v202408/YieldGroupService.StringFormatError) **Inheritance** \n[ApiError](/ad-manager/api/reference/v202408/SegmentPopulationService.ApiError) \n▼\n[ApiVersionError](/ad-manager/api/reference/v202408/SegmentPopulationService.ApiVersionError) [AuthenticationError](/ad-manager/api/reference/v202408/SegmentPopulationService.AuthenticationError) [CollectionSizeError](/ad-manager/api/reference/v202408/SegmentPopulationService.CollectionSizeError) [CommonError](/ad-manager/api/reference/v202408/SegmentPopulationService.CommonError) [FeatureError](/ad-manager/api/reference/v202408/SegmentPopulationService.FeatureError) [InternalApiError](/ad-manager/api/reference/v202408/SegmentPopulationService.InternalApiError) [NotNullError](/ad-manager/api/reference/v202408/SegmentPopulationService.NotNullError) [ParseError](/ad-manager/api/reference/v202408/SegmentPopulationService.ParseError) [PermissionError](/ad-manager/api/reference/v202408/SegmentPopulationService.PermissionError) [PublisherQueryLanguageConte...](/ad-manager/api/reference/v202408/SegmentPopulationService.PublisherQueryLanguageContextError \"PublisherQueryLanguageContextError\") [PublisherQueryLanguageSynta...](/ad-manager/api/reference/v202408/SegmentPopulationService.PublisherQueryLanguageSyntaxError \"PublisherQueryLanguageSyntaxError\") [QuotaError](/ad-manager/api/reference/v202408/SegmentPopulationService.QuotaError) [RequiredCollectionError](/ad-manager/api/reference/v202408/SegmentPopulationService.RequiredCollectionError) [RequiredError](/ad-manager/api/reference/v202408/SegmentPopulationService.RequiredError) [SegmentPopulationError](/ad-manager/api/reference/v202408/SegmentPopulationService.SegmentPopulationError) [ServerError](/ad-manager/api/reference/v202408/SegmentPopulationService.ServerError) **StringFormatError** [StringLengthError](/ad-manager/api/reference/v202408/SegmentPopulationService.StringLengthError)\n\n*** ** * ** ***\n\nNamespace\n:\n `https://www.google.com/apis/ads/publisher/v202408`\n\n| Field ||\n|---------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| **`ApiError` (inherited)** ||\n| `fieldPath` | ` `xsd:`string` \u003cbr /\u003e |\n| `fieldPathElements` | ` `[FieldPathElement](/ad-manager/api/reference/v202408/SegmentPopulationService.FieldPathElement)`[]` \u003cbr /\u003e |\n| `trigger` | ` `xsd:`string` \u003cbr /\u003e |\n| `errorString` | ` `xsd:`string` \u003cbr /\u003e |\n| **`StringFormatError`** ||\n| `reason` | ` `[StringFormatError.Reason](/ad-manager/api/reference/v202408/SegmentPopulationService.StringFormatError.Reason)` ` *** ** * ** *** **Enumerations** `UNKNOWN` : `ILLEGAL_CHARS` : `INVALID_FORMAT` : \u003cbr /\u003e |"]]