SAM Template using S3 Event Source - Hypothetical CustomerEventsProcessor

template.yaml

AWSTemplateFormatVersion: "2010-09-09"
Transform: AWS::Serverless-2016-10-31
Description: >
  SAM Template - Example of S3 Event processing
  Process related events: CustomerCreated, CustomerDeleted, CustomerUpdated

Parameter:
  DataLakeBucket:
    Type: String
    Default: com-mycompany-datalake-bucket

Resources:
  CustomerEventsProcessor:
    Type: AWS::Serverless::Function
    Properties:
      Runtime: nodejs14.x
      Handler: /build/customer-events-processor.handler
      CodeUri: .
      Policies:
        - S3ReadPolicy:
            BucketName: !Ref DataLake
      Events:
        CustomerEventReceived:
          Type: S3
          Properties:
            Bucket: !Ref DataLakeBucket
            Prefix: "Customer*"
            Events: s3:ObjectCreated:*