code: @Override
      public List<ConfigMessage> init(Processor processor) {
          List<ConfigMessage> configMessages = super.init(processor);
  
          AddContentAction action = (AddContentAction) getAction();
  
          if (action.getName() == null || action.getName().trim().isEmpty()) {
              String message = "Name must be specified";
              log.severe(processor.getDescription() + ":" + getAction().getDescription() + ":" + message);
              ConfigMessage configMessage = new ConfigMessage();
              configMessage.setSeverity(Severity.Error);
              configMessage.setMessage(message);
              configMessage.setField("name");
              configMessage.setProcessor(processor.getDescription());
              configMessage.setAction(action.getDescription());
              configMessages.add(0, configMessage);
          }
  
          return configMessages;
      }
docs: This method initialises the process action handler.
  
  @param processor The processor