in src/Amazon.AspNetCore.Identity.Cognito/Extensions/ConfigurationExtensions.cs [64:72]
private static string GetConfigurationValue(IConfiguration section, string configurationKey, bool isOptional = false)
{
if (!string.IsNullOrEmpty(section[configurationKey]) || isOptional)
{
return section[configurationKey];
}
throw new CognitoConfigurationException(string.Format(MissingKeyExceptionMessage, configurationKey));
}