---
title: inputSourceID
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avcapturedevice/inputsource/inputsourceid
---

# inputSourceID

An identifier for an input source.

## Declaration

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

## Discussion

Discussion The identifier is unique among the input sources exposed by particular capture device instance.

## See Also

### Accessing properties

- [localizedName](avfoundation/avcapturedevice/inputsource/localizedname.md)