New photo that will be uploaded by the server using the specified URL
inputMediaPhotoExternal#e5bbfe1a flags:# spoiler:flags.1?true url:string ttl_seconds:flags.0?int = InputMedia;| Name | Type | Description | 
|---|---|---|
| flags | # | Flags, see TL conditional fields | 
| spoiler | flags.1?true | Whether this media should be hidden behind a spoiler warning | 
| url | string | URL of the photo | 
| ttl_seconds | flags.0?int | Self-destruct time to live of photo |