MessageReactionUpdated
This object represents a change of a reaction on a message performed by a user.
Fields
The chat containing the message the user reacted to
message_idIntegerRequiredUnique identifier of the message inside the chat
Optional. The user that changed the reaction, if the user isn't anonymous
Optional. The chat on behalf of which the reaction was changed, if the user is anonymous
dateIntegerRequiredDate of the change in Unix time
Previous list of reaction types that were set by the user
New list of reaction types that have been set by the user