Optional
captionCaption of the document to be sent, 0-1024 characters after entities parsing
Optional
captionList of special entities that appear in the caption, which can be specified instead of parseMode
Optional
descriptionShort description of the result
A valid URL for the file
Unique identifier for this result, 1-64 bytes
Optional
inputContent of the message to be sent instead of the file
MIME type of the content of the file, either “application/pdf” or “application/zip”
Optional
parseMode for parsing entities in the document caption. See formatting options for more details.
Optional
replyInline keyboard attached to the message
Optional
thumbnailThumbnail height
Optional
thumbnailURL of the thumbnail (JPEG only) for the file
Optional
thumbnailThumbnail width
Title for the result
Type of the result, must be document
Represents a link to a file. By default, this file will be sent by the user with an optional caption. Alternatively, you can use inputMessageContent to send a message with the specified content instead of the file. Currently, only .PDF and .ZIP files can be sent using this method.
Note: This will only work in Telegram versions released after 9 April, 2016. Older clients will ignore them.