# Activity

The `Activity` object represents a business activity or industry classification associated with an entity.

## Fields

| Field                 | Type    | Description                                                  |
| --------------------- | ------- | ------------------------------------------------------------ |
| `activityCode`        | string  | Industry classification code (e.g., NACE code)               |
| `activityCodeType`    | string  | The classification system used (e.g., `NACE`, `SIC`, `ISIC`) |
| `activityDescription` | string  | Human-readable description of the activity                   |
| `mainActivity`        | boolean | `true` if this is the entity's primary business activity     |

## Example

{% code title="activity.json" %}

```json
{
  "activityCode": "64.19",
  "activityCodeType": "NACE",
  "activityDescription": "Other monetary intermediation",
  "mainActivity": true
}
```

{% endcode %}


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