public async Task <string> GetRules(string sourceName)
        {
            string            result    = "";
            ConnectParameters connector = await Common.GetConnectParameters(azureConnectionString, sourceName);

            IEnumerable <RuleModel> rules = await _ruleData.GetRulesFromSP(connector.ConnectionString);

            if (rules.Any())
            {
                result = JsonConvert.SerializeObject(rules, Formatting.Indented);
            }
            return(result);
        }