--channelChannel
React automatically to new messages. Scope it by channel, user or phrase.
reaction add <emoji> [--channel <#channel>] [--user <member>] [--trigger <phrase>] [--owner]reactionemojistringRequiredEmojichannelchannelOptionalChanneluseruserOptionalMembertriggerstringOptionalPhraseownerbooleanOptionalTurn on --owner--channelChannel
--ownerTurn on --owner
--triggerPhrase
--userMember
reaction add 🎉 --channel #announcementsreaction add ⭐ --trigger coolreaction add 👋 --user @greeter