Prefix s3 aws where to find

i am trying to upload 3d tiles from s3 bucket
have not succed to find where to copy from amazon to add data on cesion ion

If you got to the Add Assets page, you will see an Add from S3… button. That will display a form where you can provide your bucket, access credentials, and the prefix for the location of the files to import.

Please let us know if you have more questions about importing from AWS.

I am having a similar issue - I am using a key that is generated with session token, the file is in the root of the bucket so I am using the “/” prefix and getting no files found???

Ok - I solved my own issue - YOU CAN NOT PUT A FILE IN S3 WITHOUT IT BEING IN A FOLDER.
That folder needs to be your prefix - Otherwise it breaks