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

# mediaSourceIdentifier

An identifier for the source that loaded the media object.

## Declaration

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

## Discussion

Discussion For a list of possible media source identifiers, see MLMediaLibrary.

## See Also

### Identifying the Object

- [identifier](medialibrary/mlmediaobject/identifier.md)
- [mediaLibrary](medialibrary/mlmediaobject/medialibrary.md)