---
title: localIdentifier
framework: sensorkit
role: symbol
role_heading: Instance Property
path: sensorkit/srsourcedevice/localidentifier
---

# localIdentifier

## Declaration

```swift
var localIdentifier: String { get }
```

## Discussion

Discussion A unique identifier for the data source. This property is available to clients for a local identifier. The local identifier distinguishes different peripheral sources used by a common device.