# Monitor.checked

URL: /business/events/Monitor.checked · Id: `event:Monitor.checked`

> Emitted each time a Monitor is checked.

[Monitor.check](/business/nouns/monitor/check) emits `Monitor.checked` when it completes on a [Monitor](/business/nouns/monitor).

| Property | Value |
| --- | --- |
| Emitted by | [Monitor.check](/business/nouns/monitor/check) |
| Noun | [Monitor](/business/nouns/monitor) |
| Wakes | None. |

### Payload
Each delivery is an [Event](/business/nouns/event) record. `data` holds what [Monitor.check](/business/nouns/monitor/check) returns.

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `name` | `string` | Yes | `Monitor.checked`. |
| `at` | `datetime` | Yes | When it happened. |
| `seq` | `integer` | No | Its position in the namespace, one more than the Event before; any seq is a cursor into the history. |
| `data` | `json` | Yes | The Thing as the Action left it. |
| `data.monitor` | [Monitor](/business/nouns/monitor) | Yes | The Monitor, with its latest result. |
| `data.monitor.kind` | `string` | Yes | `internal` watches the Startup’s own routes and jobs; `outside` watches the world, such as a rival’s price. |
| `data.monitor.target` | `string` | Yes | What it checks: a route, a Domain, a Keyword, a prompt or a page. |
| `data.monitor.every` | `string` | No | How often it runs, such as `1m` or `1d`. |
| `data.monitor.lastResult` | `string` | No | The result of its latest check. |

### Example
```json
{
  "$id": "https://api.sb/kilnbakery.com/events/event_1",
  "$type": "Event",
  "name": "Monitor.checked",
  "at": "2026-10-22T12:00:00Z",
  "data": {
    "monitor": {
      "$id": "https://api.sb/kilnbakery.com/monitors/monitor_1",
      "$type": "Monitor",
      "kind": "internal",
      "target": "/health",
      "every": "1m",
      "lastResult": "passing"
    }
  },
  "seq": 1
}
```