# Authorization.toTuple

Converts an [`Authorization.Authorization`](/api/Authorization/types#authorization) to an [`Authorization.Tuple`](/api/Authorization/types#tuple).

## Imports

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

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

## Examples

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

const authorization = Authorization.from({
  address: '0x1234567890abcdef1234567890abcdef12345678',
  chainId: 1,
  nonce: 69n
})

const tuple = Authorization.toTuple(authorization) // [!code focus]
// @log: [
// @log:   address: '0x1234567890abcdef1234567890abcdef12345678',
// @log:   chainId: 1,
// @log:   nonce: 69n,
// @log: ]
```

## Definition

```ts
function toTuple<authorization>(
  authorization: authorization,
): toTuple.ReturnType<authorization>
```

**Source:** [src/core/Authorization.ts](https://github.com/wevm/ox/blob/main/src/core/Authorization.ts#L659)

## Parameters

### authorization

* **Type:** `authorization`

The [`Authorization.Authorization`](/api/Authorization/types#authorization).

## Return Type

An [EIP-7702](https://eips.ethereum.org/EIPS/eip-7702) Authorization tuple.

`toTuple.ReturnType<authorization>`