code: @Descriptor("Send event admin messages")
      public void sendmessage(@Descriptor("sendmessage BUS [KEY=VALUE ]*") String... parameters) {
          assert parameters[0] != null;
          String bus = parameters[0];
          Dictionary eventAdminPayload = new Hashtable();
          for (String m : parameters) {
              if (m.contains("=")) {
                  StringTokenizer st = new StringTokenizer(m, "=");
                  assert st.countTokens() == 2;
                  String key = st.nextToken();
                  String value = st.nextToken();
                  eventAdminPayload.put(key, value);
              }
          }
          Event eventAdminMessage = new Event(bus, eventAdminPayload);
          print(String.format("Sending message to the bus %s with the arguments %s", bus, eventAdminPayload));
          print("Event admin message sent");
          eventAdmin.sendEvent(eventAdminMessage);
      }
docs: ---------------- SEND MESSAGE