Logging All S3 Object Events By Using Basic Event Selectors

resource "aws_cloudtrail" "example" {
  # ... other configuration ...

  event_selector {
    read_write_type           = "All"
    include_management_events = true

    data_resource {
      type   = "AWS::S3::Object"
      values = ["arn:aws:s3"]
    }
  }
}

Terraform Cloudtrail: aws_cloudtrail, module