> ## Documentation Index
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> Use this file to discover all available pages before exploring further.

# IB20.eip712Domain

> Generated B20 reference for eip712Domain().

## Signature

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