> ## Documentation Index
> Fetch the complete documentation index at: https://docs.revoengine.com/llms.txt
> Use this file to discover all available pages before exploring further.

# util.aesEncrypt()

> Public low-code contract, signatures and examples for util.aesEncrypt.

## `util.aesEncrypt()`

AES encrypt helper.

Payload: at most 1048576 UTF-16 code units; passphrase: at most 4096.

### Signature

```ts theme={null}
static aesEncrypt(payload: string, passphrase: string): Promise<string>;
```

### Example

```ts theme={null}
const encrypted = await util.aesEncrypt('secret', passphrase);
```

See [all util methods](https://docs.revoengine.com/low-code/reference/util.md) or [runtime basics](https://docs.revoengine.com/low-code/overview.md).


This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.