# Nullable

# Type Alias: Nullable\<T\>

```ts
type Nullable<T> = T & undefined | null;
```

Defined in: [packages/form-core/src/util-types.ts:89](https://github.com/TanStack/form/blob/main/packages/form-core/src/util-types.ts#L89)

## Type Parameters

### T

`T`