A reaction to a message was changed by a user.
These updates are only received for bots - for PMs and in chats where the bot is an administrator.
Reactions sent by other bots are not received.
Readonly
ID of the user who has set/removed the reaction
List of reactions after the change
List of reactions before the change
Chat where the reaction has been changed
Date when the reaction has been changed
ID of the message where the reaction has been changed
A reaction to a message was changed by a user.
These updates are only received for bots - for PMs and in chats where the bot is an administrator.
Reactions sent by other bots are not received.