> For the complete documentation index, see [llms.txt](https://docs.fluidnft.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.fluidnft.org/technical-resources/developers/contract-reference/obligation-receipts/iobligationreceipt.md).

# IObligationReceipt

{% tabs %}
{% tab title="IObligationReceipt.sol" %}

```solidity
// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.16;

import { IRedeemable } from "../interfaces/IRedeemable.sol";

interface IObligationReceipt is IRedeemable {
    function setDelegate(uint256 tokenId, address to, bool value) external;
}
```

{% endtab %}

{% tab title="IRedeemable.sol" %}

```solidity
// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.16;

import { IAddressProvider } from "../interfaces/IAddressProvider.sol";
import { DataTypes } from "../protocol/libraries/types/DataTypes.sol";

interface IRedeemable {
    function mint(address lender, uint256 tokenId, bytes memory data) external;

    function burn(uint256 tokenId) external;

    function exists(uint256 tokenId) external returns (bool);

    function setBaseURI(string memory customBaseURI) external;
    
    function getLoan(uint256 _tokenId) external view returns (DataTypes.TokenizedLoan memory);
}
```

{% endtab %}
{% endtabs %}