Link to a file
Caption of the document to be sent
Short description of the result
A valid URL for the file
Unique identifier for this result
Content of the message to be sent instead of the file
Mime type of the content of the file, either "application/pdf" or "application/zip"
Parse mode of the caption
Inline keyboard attached to the message
URL of the thumbnail (jpeg only) for the file
Title for the result
Type of the result, must be "document"