public LogCollection ListLogs(string workspaceId, string sort = null, string filter = null, long?pageLimit = null, string cursor = null) { try { var result = AssistantRepository.ListLogs(workspaceId, sort, filter, pageLimit, cursor); return(result); } catch (Exception ex) { Logger.Error("AssistantService.ListLogs failed", this, ex); } return(null); }