Identifier for this file, which can be used to download or reuse the file
Optional
file_Original filename as defined by sender
Optional
file_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.
Optional
mime_MIME type of the file as defined by sender
Optional
thumbnailDocument thumbnail as defined by sender
This object represents a general file (as opposed to photos, voice messages and audio files).