> 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-v2.0-directional-fees/v2.0-directional-fees-tokenomics/incentivekey.md).

# IncentiveKey

```solidity
struct IncentiveKey {
  contract IERC20Minimal rewardToken;
  contract IERC20Minimal bonusRewardToken;
  contract IAlgebraPool pool;
  uint256 nonce;
}
```