This extension Application Programming Interface (API) contains all the necessary operations for building presence plugins for the MigratoryData server to handle user presence events.

Before reading this manual, it is recommended to read the Architecture guide.


  • interface MigratoryDataPresenceListener
    The implementation of this interface can handle user presence events such as user connections and user disconnections, as well as messages received from publishers and accepted by the cluster to be distributed to the subscribers.
    • interface Message
      Interface to handle messages accepted by the cluster.
    • interface User
      Interface to handle user presence events.