When entering reminders or reminders in a series, the ability to enter attachments such as statements, invoices, letters, and other files will make the usage more user oriented and be a standard in financial programs such as this. Quick Classic already has this feature, so the logic and most likely the programming code for the web aspects already exists and might be able to be copied. (Reference the image) Otherwise, this minimized the usage of the bill connect feature.
Work around is to (1) waiting for the bill connect transaction to happen or (2) disconnect bill connect and enter the transaction so the attaching of a file be done.