[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-13 UTC."],[],[],null,["# type CustomField (v202508)\n\n**Service** \n**CustomFieldService** **Dependencies** \n[CustomFieldPage](/ad-manager/api/reference/v202508/CustomFieldService.CustomFieldPage) [createCustomFields()](/ad-manager/api/reference/v202508/CustomFieldService#createCustomFields) [updateCustomFields()](/ad-manager/api/reference/v202508/CustomFieldService#updateCustomFields) \n▼\n**CustomField** **Inheritance** \n**CustomField** \n▼\n[DropDownCustomField](/ad-manager/api/reference/v202508/CustomFieldService.DropDownCustomField)\n\nAn additional, user-created field on an entity.\n\n*** ** * ** ***\n\nNamespace\n:\n `https://www.google.com/apis/ads/publisher/v202508`\n\n| Field ----- ||\n|-------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| ### `id` | ` `xsd:`long` Unique ID of the `CustomField`. This value is readonly and is assigned by Google. |\n| ### `name` | ` `xsd:`string` Name of the `CustomField`. This is value is required to create a custom field. The max length is 127 characters. |\n| ### `description` | ` `xsd:`string` A description of the custom field. This value is optional. The maximum length is 511 characters |\n| ### `isActive` | ` `xsd:`boolean` Specifies whether or not the custom fields is active. This attribute is read-only. |\n| ### `entityType` | ` `[CustomFieldEntityType](/ad-manager/api/reference/v202508/CustomFieldService.CustomFieldEntityType)` ` The type of entity that this custom field is associated with. This attribute is read-only if there exists a [CustomFieldValue](/ad-manager/api/reference/v202508/CreativeService.CustomFieldValue) for this field. *** ** * ** *** **Enumerations** `LINE_ITEM` : Represents the [LineItem](/ad-manager/api/reference/v202508/ForecastService.LineItem) type. `ORDER` : Represents the [Order](/ad-manager/api/reference/v202508/OrderService.Order) type. `CREATIVE` : Represents the [Creative](/ad-manager/api/reference/v202508/CreativeService.Creative) type. `PROPOSAL` : Represents the [Proposal](/ad-manager/api/reference/v202508/ProposalService.Proposal) type. `PROPOSAL_LINE_ITEM` : Represents the [ProposalLineItem](/ad-manager/api/reference/v202508/ForecastService.ProposalLineItem) type. `UNKNOWN` : The value returned if the actual value is not exposed by the requested API version. \u003cbr /\u003e |\n| ### `dataType` | ` `[CustomFieldDataType](/ad-manager/api/reference/v202508/CustomFieldService.CustomFieldDataType)` ` The type of data this custom field contains. This attribute is read-only if there exists a [CustomFieldValue](/ad-manager/api/reference/v202508/CreativeService.CustomFieldValue) for this field. *** ** * ** *** **Enumerations** `STRING` : A string field. The max length is 255 characters. `NUMBER` : A number field. `TOGGLE` : A boolean field. Values may be \"true\", \"false\", or empty. `DROP_DOWN` : A drop-down field. Values may only be the ids of [CustomFieldOption](/ad-manager/api/reference/v202508/CustomFieldService.CustomFieldOption) objects. `UNKNOWN` : The value returned if the actual value is not exposed by the requested API version. \u003cbr /\u003e |\n| ### `visibility` | ` `[CustomFieldVisibility](/ad-manager/api/reference/v202508/CustomFieldService.CustomFieldVisibility)` ` How visible/accessible this field is in the UI. *** ** * ** *** **Enumerations** `UNKNOWN` : The value returned if the actual value is not exposed by the requested API version. `API_ONLY` : Only visible through the API. `READ_ONLY` : Visible in the UI, but only editable through the API `FULL` : Visible and editable both in the API and the UI. \u003cbr /\u003e |"]]
