[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-06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."],[],[],null,["# abstract type BaseCustomFieldValue (v202505)\n\n**Service** \n[CreativeService](/ad-manager/api/reference/v202505/CreativeService.BaseCustomFieldValue) [ForecastService](/ad-manager/api/reference/v202505/ForecastService.BaseCustomFieldValue) [LineItemService](/ad-manager/api/reference/v202505/LineItemService.BaseCustomFieldValue) [OrderService](/ad-manager/api/reference/v202505/OrderService.BaseCustomFieldValue) [ProposalLineItemService](/ad-manager/api/reference/v202505/ProposalLineItemService.BaseCustomFieldValue) **ProposalService** **Dependencies** \n[Proposal](/ad-manager/api/reference/v202505/ProposalService.Proposal) \n▼\n**BaseCustomFieldValue** **Inheritance** \n**BaseCustomFieldValue** \n▼\n[CustomFieldValue](/ad-manager/api/reference/v202505/ProposalService.CustomFieldValue) [DropDownCustomFieldValue](/ad-manager/api/reference/v202505/ProposalService.DropDownCustomFieldValue)\n\nThe value of a [CustomField](/ad-manager/api/reference/v202505/CustomFieldService.CustomField) for a particular entity.\n\n*** ** * ** ***\n\nNamespace\n:\n `https://www.google.com/apis/ads/publisher/v202505`\n\n| Field ----- ||\n|---------------------|------------------------------------------------------------------------------------------------|\n| ### `customFieldId` | ` `xsd:`long` Id of the `CustomField` to which this value belongs. This attribute is required. |"]]
