| Name | Type | Description | Notes |
|---|---|---|---|
| Id | string | Internal identifier of a message attachment | [optional] |
| Uri | string | Canonical URI of a message attachment | [optional] |
| Type | string | Type of message attachment | [optional] |
| ContentType | string | MIME type for a given attachment, for instance 'audio/wav' | [optional] |
| VmDuration | int32 | Voicemail only Duration of the voicemail in seconds | [optional] |
| Filename | string | Name of a file attached | [optional] |
| Size | int32 | Size of attachment in bytes | [optional] |