code: public List<Return> executeEvents(final EventType _eventType,
                                        final Object... _objectTuples)
          throws EFapsException
      {
          List<Return> ret = new ArrayList<>();
          final AbstractCommand command;
          if (this.callingCmdUUID == null) {
              command = this.getCommand();
          } else {
              command = getCallingCommand();
          }
  
          if (command.hasEvents(_eventType)) {
              final Parameter param = new Parameter();
              if (_objectTuples != null) {
                  // add all parameters
                  for (int i = 0; i < _objectTuples.length; i += 2) {
                      if (i + 1 < _objectTuples.length && _objectTuples[i] instanceof ParameterValues) {
                          param.put((ParameterValues) _objectTuples[i], _objectTuples[i + 1]);
                      }
                  }
              }
              param.put(ParameterValues.PARAMETERS, Context.getThreadContext().getParameters());
              if (getInstance() != null) {
                  final String[] contextoid = { getInstanceKey() };
                  Context.getThreadContext().getParameters().put("oid", contextoid);
                  param.put(ParameterValues.CALL_INSTANCE, getInstance());
                  param.put(ParameterValues.INSTANCE, getInstance());
              }
              ret = command.executeEvents(_eventType, param);
          }
          return ret;
      }
docs: Execute the events.
  
  @param _eventType type of events to be executed
  @param _objectTuples tuples of objects passed to the event
  @return Lsit of returns from the events
  @throws EFapsException on error