# Form.InitialState

Input used to construct a hydrated form state.

## Signatures

```ts
export interface InitialState<Values extends object> {
    readonly id?: string;
    readonly values: Values;
    readonly defaultValues?: Values;
    readonly errors?: Partial<Record<keyof Values & string, string>>;
    readonly meta?: Partial<Record<keyof Values & string, FieldMeta>>;
    readonly submitting?: boolean;
}
```

## Property: defaultValues

Exact reset-baseline reference; defaults to the same object as `values`.

## Property: errors

Optional initial validation messages.

## Property: id

Stable relationship/hydration id; provide it for deterministic SSR.

## Property: meta

Optional initial field metadata.

## Property: submitting

Whether validation or the returned submit Effect is running.

## Property: values

Initial decoded values.