code: @Override
      public String createTrigger(String triggerGroup, Trigger trigger) {
          trigger.setId(createId(triggerGroup, UUID.randomUUID().toString()));
          create(triggerGroup, trigger.getId(), trigger);
          return trigger.getId();
      }
docs: @warn method description missing
  @warn parameter descriptions missing
  
  @param triggerGroup
  @param trigger
  @return