I currently have a 2013 workflow that pulls information from my parent list and populates a child list. The issue I have is I want to retain a link to the parent list in the child list that will easily allow me to click the link and pull up the parent. I can manually put this information into a lookup field on the child list and it works but I cannot automatically populate this lookup field using a workflow. This seems very easy and I think I am missing something.
For example the parent list has 20 fields and using a workflow I copy the following fields to my child list.
Project number, project name, project location, project manager.
How can I make one of these fields a lookup link to the parent list?