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

# mediaSourceIdentifier

An identifier for the source that loaded the media group.

## Declaration

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

## See Also

### Identifying the Group

- [identifier](medialibrary/mlmediagroup/identifier.md)
- [typeIdentifier](medialibrary/mlmediagroup/typeidentifier.md)
- [mediaLibrary](medialibrary/mlmediagroup/medialibrary.md)