> For the complete documentation index, see [llms.txt](https://docs.rigoblock.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.rigoblock.com/solidity-api-reference/protocol/interfaces/pool/irigoblockv3poolimmutable.md).

# IRigoblockV3PoolImmutable

## IRigoblockV3PoolImmutable

### VERSION

```solidity
function VERSION() external view returns (string)
```

Returns a string of the pool version.

#### Return Values

| Name | Type   | Description                                |
| ---- | ------ | ------------------------------------------ |
| \[0] | string | String of the pool implementation version. |

### authority

```solidity
function authority() external view returns (address)
```

Returns the address of the authority contract.

#### Return Values

| Name | Type    | Description                        |
| ---- | ------- | ---------------------------------- |
| \[0] | address | Address of the authority contract. |