# Signature.toLegacy

Converts a [`Signature.Signature`](/api/Signature/types#signature) into a [`Signature.Legacy`](/api/Signature/types#legacy).

## Imports

:::code-group
```ts [Named]
import { Signature } from 'ox'
```

```ts [Entrypoint]
import * as Signature from 'ox/Signature'
```
:::

## Examples

```ts twoslash
import { Signature } from 'ox'

const legacy = Signature.toLegacy({
  r: '0x01',
  s: '0x02',
  yParity: 1
})
// @log: { r: '0x01', s: '0x02', v: 28 }
```

## Definition

```ts
function toLegacy(
  signature: Signature,
): Legacy
```

**Source:** [src/core/Signature.ts](https://github.com/wevm/ox/blob/main/src/core/Signature.ts#L1010)

## Parameters

### signature

* **Type:** `Signature`

The [`Signature.Signature`](/api/Signature/types#signature) to convert.

#### signature.r

* **Type:** `0x${string}`

#### signature.s

* **Type:** `0x${string}`

#### signature.yParity

* **Type:** `numberType`
* **Optional**

## Return Type

The converted [`Signature.Legacy`](/api/Signature/types#legacy).

[`Signature.Legacy`](/api/Signature/types#signaturelegacy)