If the sender of the message boosted the chat, the number of boosts added by the user

The bot that actually sent the message on behalf of the business account. Available only for outgoing messages sent on behalf of the connected business account.

Information about the original message for forwarded messages

True, if the message is a channel post that was automatically forwarded to the connected discussion group

For replies in the same chat and message thread, the original message. Note that the Message object in this field will not contain further reply_to_message fields even if it itself is a reply.

Information about the message that is being replied to, which may come from another chat or forum topic

For replies that quote part of the original message, the quoted part of the message

For replies to a story, the original message

Bot through which the message was sent

Date the message was last edited in Unix time

True, if the message can't be forwarded

True, if the caption must be shown above the message media

True, if the message was sent by an implicit action, for example, as an away or a greeting business message, or as a scheduled message

Signature of the post author for messages in channels, or the custom title of an anonymous group administrator

Options used for link preview generation for the message, if it is a text message and link preview options were changed

Unique identifier of the message effect added to the message

Inline keyboard attached to the message. login_url buttons are represented as ordinary url buttons.