Hi @mikeperalta
oddly you are like the 3rd person today to ask this.
The reason is (I am pretty sure at least) is that your (see below) is wrong. The Body itself does not have the content, a property ON the body has the content. So you are attaching the wrong stuff. I am pretty sure thats why.

Also, you are using an attachment Array (Compose). But are you actually creating an Array?
I still think the Content of your Array is missing the actual content of the Attachment(s)
If you like my answer, I would really appreciate if you please Mark it as Resolved, and give it a thumbs up, so it can help others
Cheers
Thank You
Michael Gernaey MCT | MCSE | MCP | Self-Contractor| Ex-Microsoft
https://gernaeysoftware.com
LinkedIn: https://www.linkedin.com/in/michaelgernaey