[Solved] Given this Lambda function code triggered by API Gateway, what will be the response body?exports.handler = async (event) => { return { statusCode:... };API Gateway is called with URL: /?name=Alice | AWS

AWS - API Gateway

Given this Lambda function code triggered by API Gateway, what will be the response body?

exports.handler = async (event) => { return { statusCode: 200, body: JSON.stringify({ message: 'Hello ' + event.queryStringParameters.name }) }; };

API Gateway is called with URL: /?name=Alice

A{"message":"Hello Alice"}

B{"message":"Hello undefined"}

CError: Missing name parameter

D{"message":"Hello"}

Step-by-Step Solution

Solution:

Step 1: Analyze event input
event.queryStringParameters.name is 'Alice' from URL query.
Step 2: Check returned body
Function returns JSON string with message 'Hello Alice'.
Final Answer:
{"message":"Hello Alice"} -> Option A
Quick Check:
Query param passed correctly = {"message":"Hello Alice"} [OK]

Quick Trick: Query parameters appear in event.queryStringParameters [OK]

Common Mistakes:

Master "API Gateway" in AWS

9 interactive learning modes - each teaches the same concept differently

More AWS Quizzes

Given this Lambda function code triggered by API Gateway, what will be the response body?