A file, image, or video attachment sent with a `KUSChatMessage`. Belongs to a single `KUSConversation` and `KUSChatMessage`.

### id

### conversationId

### fileExtension

### url

URL used to download the attached file

### name

File name of attachment

### chatMessageId

Chat message ID of parent message.

Do not rely on there being a `KUSChatMessage` with this ID. Ok to rely on this being valid on the server side after the attachment has finished uploading and sending.

## CustomStringConvertible

### description