public async Task <int> GetExtentValues(ModelCode entityType, List <ModelCode> propIds) { try { ResourceIterator ri = nm.GetExtentValues(entityType, propIds); int retVal = AddIterator(ri); return(retVal); } catch (Exception ex) { string message = string.Format("Getting extent values for ModelCode = {0} failed. ", entityType, ex.Message); Logger.LogError(message, ex); throw new Exception(message); } }