| Property | Data type | Default | Description |
| type | String | NO DEFAULT (mandatory) | may be "success" or "error" |
| description | String | empty | HTML message |
| details | IdsList | empty | frequently used to give id of objects concerned by the feature |
| Property | Data type | Default | Description |
| cityName | String | NO DEFAULT (mandatory) | Name of the city |
| address |
String | NO DEFAULT (mandatory) | Postal address |
| postcode | String | NO DEFAULT (mandatory) | Postal code |
| geocodingType | Integer | empty | 1 (city), 2 (near road), 3 (road), 4 (address) or 5 (geotagged) |
| x | Real | empty | x cartographic coordinate |
| y | Real | empty | y cartographic coordinate |