AWS - Lambda
Which of the following is the correct JSON snippet to configure an S3 bucket event trigger for Lambda?
Which of the following is the correct JSON snippet to configure an S3 bucket event trigger for Lambda?
easy📝 Configuration Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Identify S3 event trigger format
S3 event triggers use the Events key with values like ['s3:ObjectCreated:*'] and can include filters for object suffixes.Step 2: Verify the snippet matches S3 event trigger structure
{"Events": ["s3:ObjectCreated:*"], "Filter": {"Key": {"FilterRules": [{"Name": "suffix", "Value": ".jpg"}]}}, "LambdaFunctionArn": "arn:aws:lambda:region:account-id:function:function-name"} matches the S3 event trigger JSON format with event type, filter, and Lambda ARN.Final Answer:
Correct S3 event trigger JSON snippet -> Option BQuick Check:
S3 event trigger JSON = {"Events": ["s3:ObjectCreated:*"], "Filter": {"Key": {"FilterRules": [{"Name": "suffix", "Value": ".jpg"}]}}, "LambdaFunctionArn": "arn:aws:lambda:region:account-id:function:function-name"} [OK]
Quick Trick: S3 triggers use 's3:ObjectCreated:*' event with optional filters [OK]
Common Mistakes:
- Using SQS or DynamoDB event formats for S3 triggers
- Missing event type or Lambda ARN in JSON
- Confusing schedule expressions with event triggers
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