> For the complete documentation index, see [llms.txt](https://docs.dragonswap.app/dragonswap/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.dragonswap.app/dragonswap/resources/developer-resources/smart-contracts/dragonswapv2/core/interfaces/pool/idragonswapv2poolowneractions.md).

# IDragonswapV2PoolOwnerActions

Contains pool methods that may only be called by the factory owner

### Functions[​](https://docs.uniswap.org/contracts/v3/reference/core/interfaces/pool/IUniswapV3PoolOwnerActions#functions) <a href="#functions" id="functions"></a>

#### setFeeProtocol[​](https://docs.uniswap.org/contracts/v3/reference/core/interfaces/pool/IUniswapV3PoolOwnerActions#setfeeprotocol) <a href="#setfeeprotocol" id="setfeeprotocol"></a>

```solidity
  function setFeeProtocol(
    uint8 feeProtocol0,
    uint8 feeProtocol1
  ) external
```

Set the denominator of the protocol's % share of the fees

**Parameters:**[**​**](https://docs.uniswap.org/contracts/v3/reference/core/interfaces/pool/IUniswapV3PoolOwnerActions#parameters)

| Name           | Type  | Description                             |
| -------------- | ----- | --------------------------------------- |
| `feeProtocol0` | uint8 | new protocol fee for token0 of the pool |
| `feeProtocol1` | uint8 | new protocol fee for token1 of the pool |

#### collectProtocol[​](https://docs.uniswap.org/contracts/v3/reference/core/interfaces/pool/IUniswapV3PoolOwnerActions#collectprotocol) <a href="#collectprotocol" id="collectprotocol"></a>

```solidity
  function collectProtocol(
    address recipient,
    uint128 amount0Requested,
    uint128 amount1Requested
  ) external returns (uint128 amount0, uint128 amount1)
```

Collect the protocol fee accrued to the pool

**Parameters:**[**​**](https://docs.uniswap.org/contracts/v3/reference/core/interfaces/pool/IUniswapV3PoolOwnerActions#parameters-1)

| Name               | Type    | Description                                                                   |
| ------------------ | ------- | ----------------------------------------------------------------------------- |
| `recipient`        | address | The address to which collected protocol fees should be sent                   |
| `amount0Requested` | uint128 | The maximum amount of token0 to send, can be 0 to collect fees in only token1 |
| `amount1Requested` | uint128 | The maximum amount of token1 to send, can be 0 to collect fees in only token0 |

**Return Values:**[**​**](https://docs.uniswap.org/contracts/v3/reference/core/interfaces/pool/IUniswapV3PoolOwnerActions#return-values)

| Name      | Type    | Description                          |
| --------- | ------- | ------------------------------------ |
| `amount0` | uint128 | The protocol fee collected in token0 |
| `amount1` | uint128 | The protocol fee collected in token1 |