# LiquidationEngine The `LiquidationEngine` contract manages all liquidations within the protocol, providing interfaces for liquidators to initiate the liquidation process for positions that are under-collateralized. **Functions** * **`liquidate(bytes32 _collateralPoolId, address _positionAddress, uint256 _debtShareToBeLiquidated, uint256 _maxDebtShareToBeLiquidated, address _collateralRecipient, bytes calldata _data)`**: Allows a whitelisted liquidator to initiate the liquidation of a position. It requires the ID of the collateral pool, the address of the position, the amount of debt to be liquidated, a maximum allowable debt amount for liquidation to manage slippage, the recipient of the collateral, and additional data for the liquidation process. * **`batchLiquidate(bytes32[] calldata _collateralPoolIds, address[] calldata _positionAddresses, uint256[] calldata _debtShareToBeLiquidateds, uint256[] calldata _maxDebtShareToBeLiquidateds, address[] calldata _collateralRecipients, bytes[] calldata datas)`**: Facilitates the batch liquidation of multiple positions in a single transaction. This method enhances efficiency in handling liquidations at scale. **Events** * **`LiquidationFail(bytes32 _collateralPoolId, address _positionAddress, address _liquidator, string reason)`**: Emitted when a liquidation attempt fails. It provides details about the failed operation, including the collateral pool ID, position address, liquidator, and reason for failure. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.fathom.fi/fxd-stablecoin/interfaces/liquidationengine.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.