private static GetCostAndUsageWithResourcesResponse  CallAWSCostAndUsageAPI(GetCostAndUsageWithResourcesRequest costAndUsageWithResourcesRequest)
        {
            var client = new AmazonCostExplorerClient(
                awsAccessKeyId: Environment.GetEnvironmentVariable("awsAccessKeyId"),
                awsSecretAccessKey: Environment.GetEnvironmentVariable("awsSecretAccessKey"),
                Amazon.RegionEndpoint.USEast1);

            GetCostAndUsageWithResourcesResponse costAndUsageWithResourcesResponse = client.GetCostAndUsageWithResourcesAsync(costAndUsageWithResourcesRequest).Result;

            return(costAndUsageWithResourcesResponse);
        }