---
title: subject
framework: TelephonyMessagingKit
role: symbol
role_heading: Instance Property
platforms: [iOS 26.0+]
path: telephonymessagingkit/mmscontent/subject
---

# subject

The subject of the MMS message.

## Declaration

```swift
var subject: String?
```

## See Also

### Accessing content properties

- [parts](telephonymessagingkit/mmscontent/parts.md)
- [MMSPartContent](telephonymessagingkit/mmspartcontent.md)
- [headers](telephonymessagingkit/mmscontent/headers.md)