AWS Config
Developer Guide

lambda-dlq-check

Checks whether an AWS Lambda function is configured with a dead-letter queue. The rule is NON_COMPLIANT if the Lambda function is not configured with a dead-letter queue.

Identifier: LAMBDA_DLQ_CHECK

Trigger type: Configuration changes

Parameters:

dlqArns

(Optional) Comma-separated list of Amazon SQS and Amazon SNS ARNs that must be configured as the Lambda function dead-letter queue target.

AWS CloudFormation template

To create AWS Config managed rules with AWS CloudFormation templates, see Creating AWS Config Managed Rules With AWS CloudFormation Templates.