For Each Loop on File Picker with Multiple Files

Summary

I am unable to identify what variable to use to on my For Each Loop to list of files uploading using a File Picker

Content

I am currently assigning $chain.variables.detail.files to the items[] array of my For Each Loop.  However, I am getting an error saying 'items' is not an array.  You can see the error in the attached image.  According to the Console logs, it looks to me like it is an array with 3 files in it which is what I am attempting to upload in this example.

Any insight would be greatly appreciated.

Thank you for all your help!