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# TxEnvelope.getSignPayload

:::info
`TxEnvelope.getSignPayload` is a re-export of ox's [`TransactionEnvelope.getSignPayload`](https://oxlib.sh/api/TransactionEnvelope/getSignPayload). Refer to the ox documentation for the full reference.
:::

Returns the payload to sign for a [`TxEnvelope.TxEnvelope`](/docs/utilities/txenvelope/types#txenvelope).

## Imports

```ts
import { TxEnvelope } from 'viem/utils'
```

## Examples

```ts twoslash
// @noErrors
import { TxEnvelope } from 'viem/utils'

const payload = TxEnvelope.getSignPayload({
  chainId: 1,
  maxFeePerGas: 1n,
  type: 'eip1559'
})
```

## Definition

```ts
function getSignPayload(
  envelope: TxEnvelope<false>,
): Hex.Hex
```

## Parameters

### envelope

* **Type:** `TxEnvelope<false>`

The transaction envelope.

#### envelope.accessList

* **Type:** `readonly { address: abitype_Address; storageKeys: readonly 0x${string}[]; }[]`
* **Optional**

EIP-2930 Access List.

#### envelope.authorizationList

* **Type:** `readonly { address: abitype_Address; chainId: numberType; nonce: bigintType; r: 0x${string}; s: 0x${string}; yParity: numberType; }[]`

EIP-7702 Authorization List.

#### envelope.blobVersionedHashes

* **Type:** `readonly 0x${string}[]`

Versioned hashes of blobs to be included in the transaction.

#### envelope.chainId

* **Type:** `numberType`

EIP-155 Chain ID.

#### envelope.data

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

Contract code or a hashed method call with encoded args

#### envelope.from

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

Sender of the transaction. RPC-only metadata; not part of the
serialized envelope. Carried here for parity with
[`TransactionRequest.TransactionRequest`](/docs/utilities/transactionrequest/types#transactionrequest) and
[`Transaction.Transaction`](/docs/utilities/transaction/types#transaction).

#### envelope.gas

* **Type:** `bigintType`
* **Optional**

Gas provided for transaction execution

#### envelope.gasPrice

* **Type:** `bigintType`
* **Optional**

Base fee per gas.

#### envelope.input

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

#### envelope.maxFeePerBlobGas

* **Type:** `bigintType`
* **Optional**

Maximum total fee per gas sender is willing to pay for blob gas (in wei).

#### envelope.maxFeePerGas

* **Type:** `bigintType`
* **Optional**

Total fee per gas in wei (gasPrice/baseFeePerGas + maxPriorityFeePerGas).

#### envelope.maxPriorityFeePerGas

* **Type:** `bigintType`
* **Optional**

Max priority fee per gas (in wei).

#### envelope.nonce

* **Type:** `bigintType`
* **Optional**

Unique number identifying this transaction

#### envelope.r

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

#### envelope.s

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

#### envelope.sidecars

* **Type:** `Sidecars`
* **Optional**

PeerDAS (EIP-7594) sidecars associated with this transaction. When
defined, the envelope serializes into the 5-element "PooledTransactions"
network wrapper (`rlp([tx_body, wrapper_version, blobs, commitments,
cell_proofs])`).

#### envelope.to

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

Transaction recipient

#### envelope.type

* **Type:** `type`

Transaction type

#### envelope.v

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

#### envelope.value

* **Type:** `bigintType`
* **Optional**

Value in wei sent with this transaction

#### envelope.yParity

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

ECDSA signature yParity.

## Return Type

The sign payload.

`Hex.Hex`