code: public static void addItemToList(final Object target, final String fieldName, final Object value) {
  		try {
  			List list = (List) getFieldValue(target, fieldName);
  			list.add(value);
  		} catch (Exception e) {
  			throw new RuntimeException(e);
  		}
  	}
docs: Adds the item to list.
  
  @param target    the target
  @param fieldName the field name
  @param value     the value