[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-06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 \u003ccode\u003eChangeHistoryValue\u003c/code\u003e class within the \u003ccode\u003ePublisherQueryLanguageService\u003c/code\u003e is currently unused and serves primarily as a reference for understanding possible values.\u003c/p\u003e\n"],["\u003cp\u003eIt provides documentation for the \u003ccode\u003etype\u003c/code\u003e and \u003ccode\u003eChangeHistoryOperation\u003c/code\u003e fields within the service.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eentityType\u003c/code\u003e field outlines various entity types like \u003ccode\u003eBaseRate\u003c/code\u003e, \u003ccode\u003eCompany\u003c/code\u003e, \u003ccode\u003eCreative\u003c/code\u003e, and more, that the change history can track, including an \u003ccode\u003eUNKNOWN\u003c/code\u003e type for unexposed values in the current API.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eoperation\u003c/code\u003e field specifies the type of operation performed, such as \u003ccode\u003eCREATE\u003c/code\u003e, \u003ccode\u003eUPDATE\u003c/code\u003e, or \u003ccode\u003eDELETE\u003c/code\u003e, also including an \u003ccode\u003eUNKNOWN\u003c/code\u003e type similar to \u003ccode\u003eentityType\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThis class resides within the namespace \u003ccode\u003ehttps://www.google.com/apis/ads/publisher/v202411\u003c/code\u003e for API access and integration.\u003c/p\u003e\n"]]],["The `PublisherQueryLanguageService` defines `ChangeHistoryValue`, which includes two key fields: `entityType` and `operation`. `entityType` specifies the type of entity affected by a change, with possible values like `BASE_RATE`, `COMPANY`, `CREATIVE`, `AD_UNIT`, etc. `operation` indicates the nature of the change, such as `CREATE`, `UPDATE`, or `DELETE`. `Value` and `ObjectValue` are inherited classes. The class is designed solely for providing reference documentation for `entityType` and `operation` values.\n"],null,["**Service** \n**PublisherQueryLanguageService** **Inheritance** \n[Value](/ad-manager/api/reference/v202411/PublisherQueryLanguageService.Value) \n▼\n[ObjectValue](/ad-manager/api/reference/v202411/PublisherQueryLanguageService.ObjectValue) \n▼\n**ChangeHistoryValue** [TargetingValue](/ad-manager/api/reference/v202411/PublisherQueryLanguageService.TargetingValue)\n\nThis class is unused. It exists only to provide reference documentation of the possible values\nfor [type](/ad-manager/api/reference/v202411/PublisherQueryLanguageService.ChangeHistoryEntityType) and [ChangeHistoryOperation](/ad-manager/api/reference/v202411/PublisherQueryLanguageService.ChangeHistoryOperation).\n\n*** ** * ** ***\n\nNamespace\n:\n `https://www.google.com/apis/ads/publisher/v202411`\n\n| Field ||\n|--------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| **`Value` (inherited)** ||\n| **`ObjectValue` (inherited)** ||\n| **`ChangeHistoryValue`** ||\n| `entityType` | ` `[ChangeHistoryEntityType](/ad-manager/api/reference/v202411/PublisherQueryLanguageService.ChangeHistoryEntityType)` ` *** ** * ** *** **Enumerations** `UNKNOWN` : The value returned if the actual value is not exposed by the requested API version. `BASE_RATE` : `COMPANY` : `CONTACT` : `CREATIVE` : `CREATIVE_SET` : `CUSTOM_FIELD` : `CUSTOM_KEY` : `CUSTOM_VALUE` : `PLACEMENT` : `AD_UNIT` : `LABEL` : `LINE_ITEM` : `NETWORK` : `ORDER` : `PREMIUM_RATE` : `PRODUCT` : `PRODUCT_PACKAGE` : `PRODUCT_PACKAGE_ITEM` : `PRODUCT_TEMPLATE` : `PROPOSAL` : `PROPOSAL_LINK` : `PROPOSAL_LINE_ITEM` : `PACKAGE` : `RATE_CARD` : `ROLE` : `TEAM` : `USER` : `WORKFLOW` : \u003cbr /\u003e |\n| `operation` | ` `[ChangeHistoryOperation](/ad-manager/api/reference/v202411/PublisherQueryLanguageService.ChangeHistoryOperation)` ` *** ** * ** *** **Enumerations** `CREATE` : `UPDATE` : `DELETE` : `UNKNOWN` : The value returned if the actual value is not exposed by the requested API version. \u003cbr /\u003e |"]]