This pattern demonstrates an event-driven data processing pipeline using AWS Lambda Durable Functions with direct SQS Event Source Mapping. When a message arrives in the SQS queue, it directly triggers the durable function (no intermediary Lambda needed). The durable function then orchestrates a series of specialized processing steps using Lambda invoke chaining, first validating the incoming data, then transforming it , and finally storing the processed results in DynamoDB. Throughout this process, the durable function automatically creates checkpoints, enabling fault-tolerant execution that can recover from failures without losing progress. The entire pipeline operates within the 15-minute ESM execution limit, making it ideal for reliable batch processing workflows.