1. Go to OIS300
-Type in the PO you want to attach a document to.

2. Click on the widget on the right-hand side of screen

-Scroll all the way down to Related Information
-Click on the paperclip
3. Click on Add File

-Attach whatever document you want to attach
-Make sure the file Context is always under "InforSalesOrder"

-Document type is always under "Order Confirmation"

4. Click on the "+" additional details

5. Only fill out the accounting Entity & Company
-Use N/A for both

6. Click on Upload

-file uploaded