Api Lambda Authorizer Config
data class ApiLambdaAuthorizerConfig(val authorizerResultTtlInSeconds: Int? = null, val authorizerUri: String, val identityValidationExpression: String? = null)
A LambdaAuthorizerConfig holds configuration on how to authorize AWS AppSync API access when using the AWS_LAMBDA authorizer mode. Be aware that an AWS AppSync API may have only one Lambda authorizer configured at a time.