# FunctionId | @account-kit/smart-contracts

> Overview of FunctionId from @account-kit/smart-contracts

> For the complete documentation index, see [llms.txt](/docs/llms.txt).

{/* This file is auto-generated by TypeDoc. Do not edit manually. */}

```ts
type FunctionId = Hex;
```

Defined in: [account-kit/smart-contracts/src/msca/account-loupe/types.ts:3](https://github.com/alchemyplatform/aa-sdk/blob/main/account-kit/smart-contracts/src/msca/account-loupe/types.ts#L3)