# ArrayFieldName

# Type Alias: ArrayFieldName\<TFormData\>

```ts
type ArrayFieldName<TFormData> = DeepKeysWhereValueIncludes<TFormData, ReadonlyArray<any>>;
```

Defined in: [FormApi/FormApiArrayMethods.types.public.ts:8](https://github.com/TanStack/form/blob/main/packages/form-core/src/FormApi/FormApiArrayMethods.types.public.ts#L8)

## Type Parameters

### TFormData

`TFormData`