Allows for at most one reaction of each type per client per message. It is possible for a client to add multiple reactions to the same message as long as they are different (eg different emojis). Duplicates are not counted in the summary.
This is similar to reactions on Slack.
Allows any number of reactions, including repeats, and they are counted in the summary. The reaction payload also includes a count of how many times each reaction should be counted (defaults to 1 if not set).
This is similar to the clap feature on Medium or how room reactions work.
Allows for at most one reaction per client per message. If a client reacts to a message a second time, only the second reaction is counted in the summary.
This is similar to reactions on iMessage, Facebook Messenger or WhatsApp.
All annotation types supported by Chat Message Reactions.