code: protected Entity getEntity() throws ConverterException {
          final String _entity = getConfig("entity");
          if (_entity == null) {
              throw new ConverterException("collection.converter.entity.cannot.be.null");
          }
          final Entity entity = PresentationManager.getPm().getEntity(_entity);
          if (entity == null) {
              throw new ConverterException("collection.converter.entity.cannot.be.null");
          }
          return entity;
      }
docs: Getter for entity property. Must be defined.
  @return the entity