Properties:
| Name | Type | Argument | Description | 
|---|---|---|---|
| contentType | String | content type of media | |
| sid | String | The server-assigned unique identifier for Media | |
| size | Number | Size of media, bytes | |
| filename | String | <optional> | file name if present, null otherwise | 
Methods
- 
    getContentUrl()
- 
    
    Returns direct content URL for the media.Returns:- Type
- Promise.<String>