# RTB Entity

## Fields

| Field | Description | Type | Min/max | Notes |
|  --- | --- | --- | --- | --- |
| [OTA_HotelSearchRS]/`Properties` | - | array of [Property] | 0..1 | - |
| `Properties`/`@LastChange` | The date and time the property was last modified (CE(S)T). | string | 1..1 | Format: `YYYY-MM-DD HH:MM:SS` |
| `Properties`/[Property] | Details of a property. | object | 0..* | - |