# Receive Trading Incentives

Trading incentive includes Loyalty token (lyLVL) and Ladder points, awarded to these account:

* with leverage orders (market/limit) and limit swap orders, awarded to order owner.
* with market swap order, awarded to specified benicifier

To define benicifier, contract owner must send extradata to swap function of pool contract as below:

```
interface IPool {
  function swap(address _tokenIn, address _tokenOut, uint256 _minOut, address _to, bytes calldata extradata) external
}
```

### With extradata is encoded address

#### In solidity

```
address benificier;
bytes memory extradata = abi.encode(benificier);
```

#### In js (ethers.js for example)

```
const benificier = '0x...'
const extradata = defaultAbiCoder.encode(['address'], [benificier]);
```