> ## Documentation Index
> Fetch the complete documentation index at: https://docs.berachain.com/llms.txt
> Use this file to discover all available pages before exploring further.

# RewardVaultHelper Claim Flow

> Claim Reward Vault rewards as sWBERA or native BERA.

# RewardVaultHelper Claim Flow

`RewardVaultHelper` lets a staker claim rewards from one or many vaults and choose the output token format.

Supported output tokens:

* `$sWBERA` (configured by admin)
* Native `$BERA` (`address(0)` selector)

The two-argument overload `claimAllRewards(vaults, receiver)` transfers accrued **\$WBERA** (the emission ERC-20) to `receiver` without wrapping or unwrapping.

## Contract behavior

* `claimAllRewards(vaults, receiver)` credits **\$WBERA** to `receiver`.
* `claimAllRewards(vaults, receiver, outputToken)` routes output based on selector (`sWBERA` or native BERA).
* For `$sWBERA`, helper approves WBERA to the sWBERA vault and calls `IERC4626.deposit`.
* For native BERA, helper unwraps WBERA with `IWBERA.withdraw` and forwards ETH.

## Permissions

* `setSWBERA(address)` is gated by `DEFAULT_ADMIN_ROLE`.
* Claim methods are permissionless for stakers.

## Worked example (sWBERA and native BERA)

```solidity theme={null}
pragma solidity ^0.8.26;

interface IRewardVaultHelper {
    function claimAllRewards(address[] memory vaults, address receiver) external;
    function claimAllRewards(address[] memory vaults, address receiver, address outputToken) external;
    function WBERA_ADDRESS() external view returns (address);
    function sWBERA() external view returns (address);
}

contract HelperClaimExample {
    IRewardVaultHelper public immutable helper;

    constructor(address helper_) {
        helper = IRewardVaultHelper(helper_);
    }

    function claimAsSWBERA(address[] memory vaults) external {
        address sWbera = helper.sWBERA();
        helper.claimAllRewards(vaults, msg.sender, sWbera);
    }

    function claimAsNativeBERA(address[] memory vaults) external {
        helper.claimAllRewards(vaults, msg.sender, address(0));
    }
}
```

## Integration notes

* The helper validates output selectors; unsupported tokens revert.
* Prefer exposing **`$sWBERA`** and **native `$BERA`** as the staker-facing claim outputs.
* Use [Partial Reward Claims](/build/pol/partial-reward-claims) for claim-size control.