Hi @aguan​: Great question! I don't see way of currently doing this using the S3Connector. I've created this Idea post for you, which I would encourage you to vote on and provide a comment on to tell us more about your use-case.

If you enable versioning in your S3 Bucket, and upload an object multiple times using the S3Connector, it does seem to create a new version. But unfortunately the S3Connector isn't brining in the versioning information when doing a listing or download.

In the meantime, consider try the HTMLCaller to leverage the S3 API: https://docs.aws.amazon.com/AmazonS3/latest/API/API_ListObjectVersions.html

@nampreetatsaft, yet I just voted for this idea post. I have a python script that can retrieve the version, will try using PythonCaller, and maybe HTMLCaller. Thanks for the help.

Using boto3 python module, which fortunately comes with FME, I successfully retrieved S3 version ID in a PythonCaller.