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

# headers

Additional headers in a received MMS message, as a key-value dictionary of strings.

## Declaration

```swift
var headers: [String : String]
```

## Discussion

Discussion Don’t populate this dictionary when sending a message.

## See Also

### Accessing content properties

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