# Theme programs: update, delete

URL: /code/mcp/theme/records-update · Id: `page:code/mcp/theme/records-update`

> The Theme Verbs update, delete as MCP do programs, with inputs, result, refusals and an example.

Reference for [Theme](/business/nouns/theme), one group of [Theme programs](/code/mcp/theme).

### Theme.update
Changes the given properties of a Theme. [Verb page](/business/nouns/theme/update?interface=mcp).

```text
do: return await $.Theme.update(input)
```

Emits `Theme.updated`.

**Inputs**

| Input | Type | Required | Description |
| --- | --- | --- | --- |
| `id` | `string` | Yes | The id of the Theme. |
| `tokens` | `json` | No | The token values, in light and dark modes. |
| `css` | `text` | No | Extra CSS, applied after the tokens. |

**Returns**

| Output | Type | Required | Description |
| --- | --- | --- | --- |
| `theme` | [Theme](/business/nouns/theme) | Yes | The Theme. |

**Refuses when**

| Check | Error | Fix | Then call |
| --- | --- | --- | --- |
| The key is valid, but its scopes do not allow this operation. | [`forbidden`](/code/api/errors/forbidden) | Use a key whose scopes cover the operation, or ask an owner of the namespace to grant them. | None. |

**Example**

```json
{
  "name": "do",
  "arguments": {
    "code": "return await $.Theme.update({ id: 'theme_sZHbu0W683', tokens: {} })"
  }
}
```

### Theme.delete
Deletes a Theme: a soft delete that keeps its history, undone by `Thing.restore`. [Verb page](/business/nouns/theme/delete?interface=mcp).

```text
do: return await $.Theme.delete(input)
```

Emits `Theme.deleted`.

**Inputs**

| Input | Type | Required | Description |
| --- | --- | --- | --- |
| `id` | `string` | Yes | The id of the Theme. |

**Returns**

| Output | Type | Required | Description |
| --- | --- | --- | --- |
| `theme` | [Theme](/business/nouns/theme) | Yes | The Theme. |

**Refuses when**

| Check | Error | Fix | Then call |
| --- | --- | --- | --- |
| The key is valid, but its scopes do not allow this operation. | [`forbidden`](/code/api/errors/forbidden) | Use a key whose scopes cover the operation, or ask an owner of the namespace to grant them. | None. |

**Example**

```json
{
  "name": "do",
  "arguments": {
    "code": "return await $.Theme.delete({ id: 'theme_sZHbu0W683' })"
  }
}
```