> For the complete documentation index, see [llms.txt](https://docs.aera.finance/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.aera.finance/the-protocol/core/ihasnumeraire.md).

# IHasNumeraire

Interface for a contract with a numeraire token

## Functions

### NUMERAIRE

Get the vault's numeraire token

```solidity
function NUMERAIRE() external view returns (address);
```

**Returns**

| Name     | Type      | Description                        |
| -------- | --------- | ---------------------------------- |
| `<none>` | `address` | The address of the numeraire token |

## Errors

### Aera\_\_ZeroAddressNumeraire

```solidity
error Aera__ZeroAddressNumeraire();
```