AWS - Serverless Architecture
Which of the following is the correct event name to trigger a Lambda function when a new object is created in an S3 bucket?
Which of the following is the correct event name to trigger a Lambda function when a new object is created in an S3 bucket?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Recall S3 event names for object creation
The event name for any object creation is "s3:ObjectCreated:*" which covers all create actions.Step 2: Eliminate incorrect event names
Other options relate to deletion, bucket creation, or access, not object creation.Final Answer:
"s3:ObjectCreated:*" -> Option BQuick Check:
S3 object creation event = "s3:ObjectCreated:*" [OK]
Quick Trick: Use "s3:ObjectCreated:*" for all object creation triggers [OK]
Common Mistakes:
- Using removal or access event names instead of creation
- Confusing bucket creation with object creation events
- Missing the wildcard * for all create types
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