[Solved] Given this SAM template snippet, which event source triggers the Lambda function?Resources: MyFunction: Type: AWS::Serverless::Function Properties: Events: S3Upload: Type: S3 Properties: Bucket:... | AWS

AWS - Serverless Architecture

Given this SAM template snippet, which event source triggers the Lambda function?

Resources:
  MyFunction:
    Type: AWS::Serverless::Function
    Properties:
      Events:
        S3Upload:
          Type: S3
          Properties:
            Bucket: my-upload-bucket
            Events: s3:ObjectCreated:*

AAn HTTP GET request to the API Gateway

BAn object upload event to the S3 bucket 'my-upload-bucket'

CA scheduled CloudWatch event

DA DynamoDB table update

Step-by-Step Solution

Solution:

Step 1: Identify event type
The event type is S3 with Properties specifying Bucket and Events.
Step 2: Understand event trigger
The event 's3:ObjectCreated:*' triggers on any object creation in the specified bucket.
Final Answer:
An object upload event to the S3 bucket 'my-upload-bucket' -> Option B
Quick Check:
Is this an API or CloudWatch event? No. [OK]

Quick Trick: S3 event triggers on bucket object creation [OK]

Common Mistakes:

Confusing S3 event with API Gateway event
Assuming scheduled or DynamoDB triggers
Ignoring the bucket name and event type

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Given this SAM template snippet, which event source triggers the Lambda function?

Step 1: Identify event type

Step 2: Understand event trigger

Final Answer:

Quick Check:

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