This object represents a video message (available in Telegram apps as of v.4.0).
Api reference
Duration of the video in seconds as defined by the sender
Identifier for this file, which can be used to download or reuse the file
Optional. File size in bytes
Unique identifier for this file, which is supposed to be the same over time and for different bots. Can't be used to download or reuse the file.
Video width and height (diameter of the video message) as defined by the sender
Optional. Video thumbnail