> For the complete documentation index, see [llms.txt](https://docs.sentiance.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.sentiance.com/sdk/api-reference/ios/smart-geofences/smartgeofence.md).

# SmartGeofence

#### `sentianceId`

> ```swift
> public let sentianceId: String
> ```
>
> Returns a unique geofence identifier provided by Sentiance.

#### `latitude`

> ```swift
> public let latitude: CLLocationDegrees
> ```
>
> Returns the latitude of the geofence's center.

#### `longitude`

> ```swift
> public let longitude: CLLocationDegrees
> ```
>
> Returns the longitude of the geofence's center.

#### `radius`

> ```swift
> public let radius: Int
> ```
>
> Returns the radius of the geofence circle in meters.

#### `externalId`

> ```swift
> public let externalId: String
> ```
>
> Returns a unique identifier that you have provided when creating the geofence.