> ## Documentation Index
> Fetch the complete documentation index at: https://docs.qu.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# TypedDataDomain

The domain for an [EIP-712](https://eips.ethereum.org/EIPS/eip-712) payload.

## Properties

| Property             | Type                                                               | Description                                                     |
| :------------------- | :----------------------------------------------------------------- | :-------------------------------------------------------------- |
| `chainId?`           | `null` \| [`BigNumberish`](/sdk/content/type-aliases/BigNumberish) | The chain ID of the signing domain.                             |
| `name?`              | `null` \| `string`                                                 | The human-readable name of the signing domain.                  |
| `salt?`              | `null` \| [`BytesLike`](/sdk/content/type-aliases/BytesLike)       | A salt used for purposes decided by the specific domain.        |
| `verifyingContract?` | `null` \| `string`                                                 | The the address of the contract that will verify the signature. |
| `version?`           | `null` \| `string`                                                 | The major version of the signing domain.                        |