> For the complete documentation index, see [llms.txt](https://tribui141108.gitbook.io/nocli-handler.js/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://tribui141108.gitbook.io/nocli-handler.js/guides/commands/setting-up-autocomplete.md).

# Setting up Autocomplete

### Using `autocomplete` function

`autocomplete` function lets you specify the data to display to the user, while the command handler will take care of the results returned by the function.

Let's create a new sample Slash command called `device`, which asks the user what device they are using, and return a message with what they selected.

{% tabs %}
{% tab title="JavaScript" %}
{% code title="device.js" %}

```javascript
const { NoCliCommandType } = require("nocli-handler.js");

/**
 * @type {import("nocli-handler.js").ICommand}
 */
const Command = {
    description: "Asks what device you are using",
    type: NoCliCommandType.Slash,
    expectedArgs: '<device>',
    minArgs: 1,
    maxArgs: 1,
    autocomplete: (interaction, command, args) => { // <-- Creates a new
        //                                                 Autocomplete instance
        return ["Desktop", "Laptop", "Phone", "Tablet"]
    },
    callback: ({ client, interaction, args, text }) => {
        return `You chose ${args.join(' ')}`;
    }
}

module.exports = Command;
```

{% endcode %}
{% endtab %}

{% tab title="TypeScript" %}
{% code title="device.ts" %}

```typescript
import { ICommand, NoCliCommandType } from "nocli-handler.js";

export default {
    description: "Asks what device you are using",
    type: NoCliCommandType.Slash,
    expectedArgs: '<device>',
    minArgs: 1,
    maxArgs: 1,
    autocomplete: (interaction, command, args) => { // <-- Creates a new
        //                                                 Autocomplete instance
        return ["Desktop", "Laptop", "Phone", "Tablet"]
    },
    callback: ({ client, interaction, args, text }) => {
        return `You chose ${args.join(' ')}`;
    }
} as ICommand;
```

{% endcode %}
{% endtab %}
{% endtabs %}

### End Result:

![](/files/njulD0tCgIvLAqzMH03E)

![](/files/92dj4Kc8LKd8PLnl408R)


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