`inputS3Url` – A presigned URL that the Lambda function can use to download the original object. By using a presigned URL, the Lambda function doesn't need to have MinIO credentials to retrieve the original object. This allows Lambda function to focus on transformation of the object instead of securing the credentials.

- `outputRoute` – A routing token that is added to the response headers when the Lambda function returns the transformed object. This is used by MinIO to further verify the incoming response...