The message from which the callback query was made. Unset if made from an inline result message.
optional
inlineMessageId: string
The identifier of the inline result message from which the callback query was made. Unset if made from a message not originating from an inline query result.
chatInstance: string
A special identifier for the chat in which the callback was made from. Useful for inline result messages.
optional
data: string
The data associated with the button that was used to make the callback query.