> ## Documentation Index
> Fetch the complete documentation index at: https://base-a060aa97-mux-docs-claude-6.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# IB20.eip712Domain

> Generated B20 reference for eip712Domain().

## Signature

```solidity theme={null}
function eip712Domain() external view returns ( bytes1 fields, string memory name, string memory version, uint256 chainId, address verifyingContract, bytes32 salt, uint256[] memory extensions );
```

| Field               | Value            |
| ------------------- | ---------------- |
| Selector            | `0x84b0196e`     |
| Canonical signature | `eip712Domain()` |

## Description

ERC-5267 EIP-712 domain introspection.

## Returns

| Value               | Description                                                                                    |
| ------------------- | ---------------------------------------------------------------------------------------------- |
| `fields`            | Bitmap of populated domain fields (`0x0f`: `name`, `version`, `chainId`, `verifyingContract`). |
| `name`              | Live `name()` value.                                                                           |
| `version`           | Constant `"1"`.                                                                                |
| `chainId`           | Current `block.chainid`.                                                                       |
| `verifyingContract` | This token's address.                                                                          |
| `salt`              | Unused (zero).                                                                                 |
| `extensions`        | Empty.                                                                                         |

## Access control

Read-only or ERC-20-standard access rules unless the NatSpec states otherwise.

## Policy interaction

No direct policy interaction.

## Example

```solidity theme={null}
IB20(target).eip712Domain();
```
