code: public List<?> getList(PMContext ctx, EntityFilter filter, ListSort sort, Integer from, Integer count) throws PMException {
          return getDataAccess().list(ctx, filter, null, sort, from, count);
      }
docs: Returns a list taken from data access with the given parameters.
  
  @param ctx The context
  @param filter A filter
  @param from The index of the first element
  @param count The maximun number of items retrieved
  @return The list
  @throws PMException