# Market.entered

URL: /business/events/Market.entered · Id: `event:Market.entered`

> Emitted each time a Market is entered.

[Market.enter](/business/nouns/market/enter) emits `Market.entered` when it completes on a [Market](/business/nouns/market).

| Property | Value |
| --- | --- |
| Emitted by | [Market.enter](/business/nouns/market/enter) |
| Noun | [Market](/business/nouns/market) |
| Wakes | None. |

### Payload
Each delivery is an [Event](/business/nouns/event) record. `data` holds what [Market.enter](/business/nouns/market/enter) returns.

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `name` | `string` | Yes | `Market.entered`. |
| `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.market` | [Market](/business/nouns/market) | Yes | The Market, now open to the Startup. |
| `data.market.countries` | `string[]` | Yes | ISO 3166-1 alpha-2 country codes. |
| `data.market.currency` | `string` | Yes | The ISO 4217 currency Prices show in. |
| `data.market.locales` | `string[]` | Yes | BCP 47 locale tags, the default first. |

### Example
```json
{
  "$id": "https://api.sb/kilnbakery.com/events/event_1",
  "$type": "Event",
  "name": "Market.entered",
  "at": "2026-10-22T12:00:00Z",
  "data": {
    "market": {
      "$id": "https://api.sb/kilnbakery.com/markets/market_1",
      "$type": "Market",
      "countries": [
        "Example countries"
      ],
      "currency": "USD",
      "locales": [
        "Example locales"
      ]
    }
  },
  "seq": 1
}
```