> For the complete documentation index, see [llms.txt](https://docs.union.finance/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.union.finance/developers/governance/iuniontoken/arbunionwrapper.md).

# ArbUnionWrapper

UNION token wrapper for L2

## Functions

### wrap`(uint256 amount) → uint256` <a href="#iuniontoken-totalsupply" id="iuniontoken-totalsupply"></a>

Wrap union.

**Return Values:**

* whether success

### unwrap`(uint256 amount) → uint256` <a href="#iuniontoken-totalsupply" id="iuniontoken-totalsupply"></a>

Unwrap union.

#### Return Values:

* whether success