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# B2BDropdownExtraFieldDefinition

GraphQL object

A B2B extra field whose value is chosen from a fixed list.

Reference: https://docs.bigcommerce.com/developer/api-reference/graphql/storefront/types/objects/b-2-b-dropdown-extra-field-definition

## Fields

- `defaultValue` — The value applied when the shopper supplies none.
- `options` — The values the shopper may choose from.
- `fieldName` — The identifier used when reading or writing a value for this extra field.
- `labelName` — The label to display for the extra field.
- `isRequired` — Whether a value for this extra field is required.
- `visibleToEndUser` — Whether the merchant has made this extra field visible to storefront shoppers.

## Definition

```graphql
type B2BDropdownExtraFieldDefinition implements B2BExtraFieldDefinition {
  defaultValue: String
  options: [String!]!
  fieldName: String!
  labelName: String!
  isRequired: Boolean!
  visibleToEndUser: Boolean!
}
```