
How Lambda Destinations Works
After a Lambda function finishes executing, Lambda Destinations triggers different processes based on the result:- OnSuccess: If the function executes successfully, you can forward a message to services like SQS, EventBridge, SNS, or even initiate another Lambda function.
- OnFailure: If the function encounters an error, you can channel the error details to designated destinations, helping you to quickly identify and resolve issues, similar to using a dead letter queue but with added flexibility.
Lambda Destinations is applicable only for functions invoked asynchronously. Ensure your Lambda function’s invocation type aligns with this capability.
Key Benefits of Lambda Destinations
- Versatile Destination Options: Configure separate destinations based on successful execution or error conditions.
- Wide Integration: Supported destination services include SQS, SNS, EventBridge, and the ability to trigger additional Lambda functions.
- Enhanced Context: The destination event includes enriched information about the original invocation and its outcome, simplifying troubleshooting and complex workflow management.

Use Cases
Lambda Destinations enhances the reliability and scalability of your cloud applications by:- Automating follow-up tasks: Customize workflows such as logging, alerting, or data processing after a function’s execution.
- Building resilient systems: Quickly respond to failures with automated retries or notifications.
- Integrating with broader services: Seamlessly connect your Lambda functions with other AWS services to create robust, event-driven architectures.