# Create or extend annotation queue item lock

**PUT** `/v1/private/annotation-queues/{queueId}/items/{itemId}/lock`

Claim an annotation queue item for the current user, or extend an existing lock

Base URL: `https://www.comet.com/opik/api`

Tags: `Annotation Queues`

## Authorization

This operation requires no authorization.

## Path parameters

| Name | Type | Required | Description |
| --- | --- | --- | --- |
| `queueId` | `string` (uuid) | Yes | — |
| `itemId` | `string` (uuid) | Yes | — |

## Responses

| Status | Description | Media type |
| --- | --- | --- |
| `200` | Lock result | `application/json` |

### Example response: 200 — Lock result

```json
{
  "acquired": true,
  "expires_at": "2026-06-09T00:00:00Z",
  "item_id": "00000000-0000-0000-0000-000000000000",
  "locked_by": "string"
}
```

## Related pages

- [Activate a pairing session](./activatepairingsession.md)
- [Add blueprint to existing config](./updateagentconfig.md)
- [Add items to annotation queue](./additemstoannotationqueue.md)
- [Add span comment](./addspancomment.md)
- [Add span feedback score](./addspanfeedbackscore.md)
- [Add thread comment](./addthreadcomment.md)
- [Add trace comment](./addtracecomment.md)
- [Add trace feedback score](./addtracefeedbackscore.md)
- [Agent Configs](./tags/agent-configs.md)
- [Agent Insights](./tags/agent-insights.md)

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