BuildIt.Config.Core.Services.AppConfigurationService.FormatInvalidAppConfiguration C# (CSharp) Method

        private string FormatInvalidAppConfiguration(List<AppConfigurationValue> invalidValues)
        {
            if (invalidValues == null) return null;
            StringBuilder formattedInvalidAppConfiguration = new StringBuilder();

            foreach (var value in invalidValues)
            {
                formattedInvalidAppConfiguration.AppendLine($"{value?.Attributes?.Name} : {value?.Value}");
            }

            return formattedInvalidAppConfiguration.ToString();
        }