Uploading vendor attachments Select Manage Vendors. Open a vendor record. On the Attachments tab, click Create. Specify this information: Description Provide a description of the attachment. File Attach the file to upload. Secure Vendor Attachment Select this check box to restrict access to the attachment. Note: Only users that have the IEFINViewSensitiveData_ST security class or the APVendorSetup_ST security class can access secured attachments. Click Save.