# Collection programs: update, delete

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

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

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

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

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

Emits `Collection.updated`.

**Inputs**

| Input | Type | Required | Description |
| --- | --- | --- | --- |
| `id` | `string` | Yes | The id of the Collection. |
| `type` | list of [Noun](/business/nouns/noun) | No | The Nouns this Thing is an instance of. |
| `outside` | `json` | No | The ids this Thing has in outside tools, one per Integration, so a re-run matches instead of duplicating. |
| `query` | `json` | No | The saved query that defines a dynamic Collection. |

**Returns**

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

**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 $.Collection.update({ id: 'collection_txTK8QorKn', query: {} })"
  }
}
```

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

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

Emits `Collection.deleted`.

**Inputs**

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

**Returns**

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

**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 $.Collection.delete({ id: 'collection_txTK8QorKn' })"
  }
}
```