public static async Task <bool> Run([ActivityTrigger] IDurableActivityContext context, ILogger log)
#endif
        {
            log.LogTrace(@"ValidateFileSet run.");
            if (!CloudStorageAccount.TryParse(Environment.GetEnvironmentVariable(@"CustomerBlobStorage"), out _))
            {
                throw new Exception(@"Can't create a storage account accessor from app setting connection string, sorry!");
            }

            var payload = context.GetInputAsJson();
            var prefix  = payload["prefix"].ToString(); // This is the entire path w/ prefix for the file set

            return(await Helpers.DoValidationAsync(prefix, log));
        }