Preorder - Digital Image Delivery

We sells Spring School Portraits in Sytist via PreOrder. 
We pick the image when we print them.
How do I add the files for digital images that the customer ordered
and then send the systist ready for download email.

I cannot figure out how to add the images to the order?

I need to upload the digital image to sytist and somehow attach it to the order?

I don't really have an answer for you other than emailing them the files. 

There is an option in the price list settings that they will come back later to select photos for the products they orders, but they would include prints and downloads. But sounds like that is not really an option for you.

Maybe someone else can reply on what they do in this situation.

There is not a way for me to assign a image that I upload to the gallery to a product. Like the customer would do, but on the admin side?

There is not a way to upload an image to a product on a pre-order. 

You could upload the photos to a gallery and have free downloads. 

Hey Allen,  so they buy a package which may include digitals and you're trying to deliver the digitals through Sytist?  This is basically what I do for T&I for leagues using QRs.  It would depend on your workflow.  Sytist's new QR functionality might also work (I haven't tried it yet).  

Side note: I'm just down the road in Macon.