# Multi Select · Pro

A listbox with checkable options and chips that pop in and out of the trigger: type to filter, arrows move, Space toggles, Backspace removes the last chip, with a cap and an overflow count.

This is a Charcoal UI Pro component. Its source and examples are available with a Pro seat: https://charcoalui.com/pricing

## With a Pro seat

1. Add the registry to components.json:

```json
{
  "registries": {
    "@charcoal": {
      "url": "https://charcoalui.com/r/{name}.json",
      "headers": {
        "Authorization": "Bearer ${CHARCOAL_LICENSE_KEY}"
      }
    }
  }
}
```

2. Copy your licence key from https://charcoalui.com/dashboard and put it in .env.local as CHARCOAL_LICENSE_KEY, then:

```bash
npx shadcn@latest add @charcoal/multi-select
```

To read Pro source through this MCP server, reconnect it with the header "Authorization: Bearer <licence key>".

## API — Multi Select
| Prop | Type | Default | Notes |
| --- | --- | --- | --- |
| `options` | `{ value: string; label: string }[]` | — |  |
| `value` | `string[]` | — |  |
| `defaultValue` | `string[]` | — |  |
| `onValueChange` | `(value: string[]) => void` | — |  |
| `max` | `number` | — |  |
| `placeholder` | `string` | `"Select…"` |  |
| `label` | `string` | — |  |
| `visibleChips` | `number` | `3` |  |
| `className` | `string` | — |  |

See it live: https://charcoalui.com/docs/components/multi-select