> For the complete documentation index, see [llms.txt](https://docs.nucleusearn.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.nucleusearn.io/nucleus-architecture/smart-contracts/contracts/interfaces/beforetransferhook.md).

# BeforeTransferHook

[Git Source](https://github.com/Ion-Protocol/nucleus-boring-vault/blob/cc0b494b83e17b9b169a73b96050d2810b690477/src/interfaces/BeforeTransferHook.sol)

## Functions

### beforeTransfer

```solidity
function beforeTransfer(address from) external view;
```