Conditions:
  MyCondition:
    Fn::Equals:
    - true
    - false

Resources:
  MyLambdaFunction:
    Type: AWS::Serverless::Function
    Properties:
      Handler: index.handler
      Runtime: nodejs14.x
      CodeUri: ${codeuri}
      MemorySize: 128

      Events:
        S3Event:
          Type: S3
          Properties:
            Bucket:
              Ref: MyBucket
            Events: s3:ObjectCreated:*
            Filter:
              Fn::If:
              - MyCondition
              - S3Key:
                  Rules:
                  - Name: prefix
                    Value: object_prefix
              - S3Key:
                  Rules:
                  - Name: suffix
                    Value: object_suffix

  MyBucket:
    Type: AWS::S3::Bucket
Metadata:
  SamTransformTest: true