type DropDownCustomFieldValue (v202502)
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Last updated 2025-08-06 UTC.
[null,null,["Last updated 2025-08-06 UTC."],[],["The content outlines `DropDownCustomFieldValue`, a specific type of `CustomFieldValue` used with `CustomField` when the data type is `DROP_DOWN`. It details the relationship and inheritance from `BaseCustomFieldValue`. Key fields include `customFieldId`, which is the ID of the related `CustomField`, and `customFieldOptionId`, which is the ID of the selected `CustomFieldOption`. This is in the context of various services like CreativeService, ForecastService, LineItemService, OrderService, ProposalLineItemService and ProposalService.\n"],null,["# type DropDownCustomFieldValue (v202502)\n\n**Service** \n[CreativeService](/ad-manager/api/reference/v202502/CreativeService.DropDownCustomFieldValue) [ForecastService](/ad-manager/api/reference/v202502/ForecastService.DropDownCustomFieldValue) **LineItemService** [OrderService](/ad-manager/api/reference/v202502/OrderService.DropDownCustomFieldValue) [ProposalLineItemService](/ad-manager/api/reference/v202502/ProposalLineItemService.DropDownCustomFieldValue) [ProposalService](/ad-manager/api/reference/v202502/ProposalService.DropDownCustomFieldValue) **Inheritance** \n[BaseCustomFieldValue](/ad-manager/api/reference/v202502/LineItemService.BaseCustomFieldValue) \n▼\n[CustomFieldValue](/ad-manager/api/reference/v202502/LineItemService.CustomFieldValue) **DropDownCustomFieldValue**\n\nA [CustomFieldValue](/ad-manager/api/reference/v202502/LineItemService.CustomFieldValue) for a [CustomField](/ad-manager/api/reference/v202502/CustomFieldService.CustomField) that has a [CustomField.dataType](/ad-manager/api/reference/v202502/CustomFieldService.CustomField#dataType) of\n[CustomFieldDataType.DROP_DOWN](/ad-manager/api/reference/v202502/CustomFieldService.CustomFieldDataType#DROP_DOWN)\n\n*** ** * ** ***\n\nNamespace\n:\n `https://www.google.com/apis/ads/publisher/v202502`\n\n| Field ----- ||\n|---------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| **`BaseCustomFieldValue` (inherited)** ||\n| ### `customFieldId` | ` `xsd:`long` Id of the `CustomField` to which this value belongs. This attribute is required. |\n| **`DropDownCustomFieldValue`** ||\n| ### `customFieldOptionId` | ` `xsd:`long` The [ID](/ad-manager/api/reference/v202502/CustomFieldService.CustomFieldOption#id) of the [CustomFieldOption](/ad-manager/api/reference/v202502/CustomFieldService.CustomFieldOption) for this value. |"]]
