| Name | Type | Description | Notes |
|---|---|---|---|
| size | Number | The size of the data in bytes. | [optional] |
| duration | String | The duration in case this file is an audio file. The duration is encoded as ISO 8601 duration ("PnYnMnDTnHnMnS", see https://en.wikipedia.org/wiki/ISO_8601#Durations). | [optional] |