# Channel.from

Instantiates a TIP-20 channel reserve descriptor.

Defaults `operator` and `authorizedSigner` to the zero address.

## Imports

:::code-group
```ts [Named]
import { Channel } from 'ox/tempo'
```

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

## Examples

```ts twoslash
import { Channel } from 'ox/tempo'

const channel = Channel.from({
  expiringNonceHash:
    '0x0000000000000000000000000000000000000000000000000000000000000002',
  payee: '0x2222222222222222222222222222222222222222',
  payer: '0x1111111111111111111111111111111111111111',
  salt: '0x0000000000000000000000000000000000000000000000000000000000000001',
  token: '0x20c0000000000000000000000000000000000001'
})
```

## Definition

```ts
function from(
  value: from.Value,
): from.ReturnType
```

**Source:** [src/tempo/Channel.ts](https://github.com/wevm/ox/blob/main/src/tempo/Channel.ts#L292)

## Parameters

### value

* **Type:** `from.Value`

The channel descriptor input.

#### value.authorizedSigner

* **Type:** `Address.Address | undefined`
* **Optional**

Optional signer for vouchers. Zero means `payer` signs.

#### value.expiringNonceHash

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

Transaction-derived hash assigned when the channel was opened.

#### value.operator

* **Type:** `Address.Address | undefined`
* **Optional**

Optional relayer allowed to submit `settle` for the payee.

#### value.payee

* **Type:** `abitype_Address`

Account that receives settled voucher payments.

#### value.payer

* **Type:** `abitype_Address`

Account that funded the channel and receives refunds.

#### value.salt

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

User-supplied salt to distinguish otherwise identical channels.

#### value.token

* **Type:** `abitype_Address`

TIP-20 token address held by the channel.

## Return Type

The normalized channel descriptor.

`from.ReturnType`