---
title: thumbnailURL
framework: TelephonyMessagingKit
role: symbol
role_heading: Instance Property
platforms: [iOS 26.0+]
path: telephonymessagingkit/rcsservice/fileuploadrequest/thumbnailurl
---

# thumbnailURL

An optional file URL for a thumbnail image.

## Declaration

```swift
var thumbnailURL: URL?
```

## Discussion

Discussion The RCS specification limits the thumbnail size to 10KB.

## See Also

### Accessing upload request properties

- [cellularServiceID](telephonymessagingkit/rcsservice/fileuploadrequest/cellularserviceid.md)
- [fileURL](telephonymessagingkit/rcsservice/fileuploadrequest/fileurl.md)
- [contentType](telephonymessagingkit/rcsservice/fileuploadrequest/contenttype.md)
- [thumbnailContentType](telephonymessagingkit/rcsservice/fileuploadrequest/thumbnailcontenttype.md)