code: @Process(actionType = CreateHandler.class)
      public void createHandler(final CreateHandler action, final Dispatcher.Channel channel) {
          operationDelegate.onCreateResource(action.getAddressTemplate(), action.getInstanceName(), action.getNewModel(),
              new CrudOperationDelegate.Callback() {
                  @Override
                  public void onFailure(AddressTemplate template, String name, Throwable t) {
                      channel.nack(t);
                  }
  
                  @Override
                  public void onSuccess(AddressTemplate addressTemplate, String name) {
                      lastModifiedInstance = action.getInstanceName();
                      // we must strip the pre-handler-chain suffix to reload a single configuration. 
                      readConfig(action.getAddressTemplate().subTemplate(0, 3), channel);
                  }
              });
      }
docs: ------------------------------------------------------ pre/post handlers