---
id: 1718
title: "Ensuring Robustness in DynamoDB Operations: The Role of ReturnValuesOnConditionCheckFailure"
source_domain: hackerone.com
source_url: "https://www.hackerone.com/blog/ensuring-robustness-dynamodb-operations-role-returnvaluesonconditioncheckfailure"
published_at: "2024-04-11T02:37:42Z"
tags: ["aws", "secure-coding", "dynamodb"]
phying_url: "https://phying.com/item/1718"
lang: en
---

# Ensuring Robustness in DynamoDB Operations: The Role of ReturnValuesOnConditionCheckFailure

## Summary

HackerOne explains DynamoDB's ReturnValuesOnConditionCheckFailure parameter: returning an item's pre-write attributes when a conditional write fails, and its role in optimistic locking, debugging and maintaining data integrity.

## Intelligence Metadata

- **Sources:** hackerone.com
- **Published:** 2024-04-11T02:37:42Z
- **Original:** https://www.hackerone.com/blog/ensuring-robustness-dynamodb-operations-role-returnvaluesonconditioncheckfailure
- **Phying News:** https://phying.com/item/1718