A string identifying this event "bucket". Listening clients must also connect to this same string. I called it url because I envision it being just passed as the url of the request.
the event type string, which is used in the Javascript addEventListener API on EventSource
the event data. Available in JS as event.data.
the amount of time to keep this event for replaying on the event server.
Not implemented on Windows!
Officially stabilised on November 23, 2023 (dub v11.4). It actually worked pretty well in its original design.
Sends an event to the event server, starting it if necessary. The event server will distribute it to any listening clients, and store it for lifetime seconds for any later listening clients to catch up later.