> For the complete documentation index, see [llms.txt](https://docs.algebra.finance/algebra-integral-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.algebra.finance/algebra-integral-documentation/algebra-v1-technical-reference/contracts/api-reference-v1.0/v1.0-core/ialgebraflashcallback.md).

# IAlgebraFlashCallback

Callback for IAlgebraPoolActions#flash Any contract that calls IAlgebraPoolActions#flash must implement this interface

## Functions

### algebraFlashCallback

`algebraFlashCallback(uint256,uint256,bytes)` external

Called to \`msg.sender\` after transferring to the recipient from IAlgebraPool#flash.

| Name | Type    | Description                                                                  |
| ---- | ------- | ---------------------------------------------------------------------------- |
| fee0 | uint256 | The fee amount in token0 due to the pool by the end of the flash             |
| fee1 | uint256 | The fee amount in token1 due to the pool by the end of the flash             |
| data | bytes   | Any data passed through by the caller via the IAlgebraPoolActions#flash call |

***