> ## Documentation Index
> Fetch the complete documentation index at: https://base-a060aa97-docs-add-b20-spec.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# IB20.burnWithMemo

> Generated B20 reference for burnWithMemo(uint256,bytes32).

[Related concept](/base-chain/specs/upgrades/beryl/b20/specification/concepts/token-lifecycle)

## Signature

```solidity theme={null}
function burnWithMemo(uint256 amount, bytes32 memo) external;
```

| Field               | Value                           |
| ------------------- | ------------------------------- |
| Selector            | `0x38f23b0b`                    |
| Canonical signature | `burnWithMemo(uint256,bytes32)` |

## Description

Same as `burn`, plus emits `Memo` immediately after the standard `Transfer` event.
A memo of `bytes32(0)` is permitted.
Param: amount Amount to burn.
Param: memo   Off-chain memo payload.

## Access control

`BURN_ROLE` gates self-burn calls.

## Policy interaction

No direct policy interaction.

## Example

```solidity theme={null}
IB20(target).burnWithMemo(arg0, arg1);
```

## Related

* [IB20 reference](/base-chain/specs/upgrades/beryl/b20/specification/reference/interfaces/IB20)
* [Constants & addresses](/base-chain/specs/upgrades/beryl/b20/specification/reference/constants-and-addresses)