---
title: mediaSourceIdentifier
framework: medialibrary
role: symbol
role_heading: Instance Property
path: medialibrary/mlmediasource/mediasourceidentifier
---

# mediaSourceIdentifier

A unique identifier for the media source.

## Declaration

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

## Discussion

Discussion For a list of possible media source identifiers, see Media Source Identifiers.

## See Also

### Identifying the Source

- [mediaLibrary](medialibrary/mlmediasource/medialibrary.md)