Document

interface

This object represents a general file (as opposed to photos, voice messages and audio files).

Declaration

interface Document

Properties

file_idproperty#

file_id: string;

Identifier for this file, which can be used to download or reuse the file

file_nameproperty#

file_name?: string;

Optional. Original filename as defined by the sender

file_sizeproperty#

file_size?: number;

Optional. File size in bytes. It can be bigger than 2^31 and some programming languages may have difficulty/silent defects in interpreting it. But it has at most 52 significant bits, so a signed 64-bit integer or double-precision float type are safe for storing this value.

file_unique_idproperty#

file_unique_id: string;

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.

mime_typeproperty#

mime_type?: string;

Optional. MIME type of the file as defined by the sender

thumbnailproperty#

thumbnail?: PhotoSize;

Optional. Document thumbnail as defined by the sender