Creates the Event Dispatcher module.  For more information about
    this entity and its subentities, refer to
    HELP ENTITY EVENT_DISPATCHER.

    create [node node-id] event dispatcher

    Select outbound_stream for information on creating event dispatcher
    outbound stream subentities.  Select relay for information on
    creating the event dispatcher relay subentity.  Select sink for
    information on creating event dispatcher sink subentities.