# createNotice

Creates a notice output while processing an advance request.

## Usage

The following simple example creates a notice output with the payload `"hello"` string.

```ts twoslash
import { createApp } from "@deroll/app";
import { stringToHex } from "viem";

// create application
const app = createApp();

// log incoming advance request
app.addAdvanceHandler(async (data) => {
    const id = await app.createNotice({ payload: stringToHex("hello") }); // [!code focus]
    return "accept";
});
```

## Returns

Type: `number`

The id of the notice output.

## Parameters

### payload

Type: `Hex`

Binary payload of the notice, hex-encoded.