# UploadResponse

Type: object

Uploaded media reference for message content.

## Properties

- `mediaId` (string, required) - Handle to pass as `content.media.mediaId` when sending a media message.
- `mediaType` (enum, required)
- `mimeType` (string, required)
- `filename` (string, optional)
- `fileSize` (integer, required)
- `url` (string, optional) - Internal media handle retained for compatibility. Prefer `mediaId` in send requests.