AWS - API Gateway
You want to transform the incoming JSON request body before passing it to Lambda via API Gateway. Which feature should you use?
You want to transform the incoming JSON request body before passing it to Lambda via API Gateway. Which feature should you use?
hard📝 Application Q9 of 15
Step-by-Step Solution
Solution:
Step 1: Understand request transformation
API Gateway mapping templates allow modifying request data before Lambda.Step 2: Choose correct feature
Mapping templates use Velocity Template Language to transform JSON.Final Answer:
API Gateway mapping templates -> Option BQuick Check:
Request transformation = Mapping templates [OK]
Quick Trick: Use mapping templates to modify requests before Lambda [OK]
Common Mistakes:
- Using Lambda env variables for request data
- Confusing Step Functions with request transformation
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