Batch Process: Attaching Reference with Relative Path

Hello MicroStation novice here!

I have been working with MicroStation and the batch process tool for almost 2 years and have gotten to save us a lot of time doing so. However with all the scripts I was able to make, I could never figure out how to attach a reference to a file with the relative path but only through an actual path. 

reference attach "C:\Users\2263\Desktop\Batch Process\YYYY-TB44x36.dgn",,,*,,,
reference levels off ALL YYYY-TB44x36.dgn;selview 1
reference levels on Default,A-ANNO-NOTE,A-TB,A-TB-0GRID,A-TB-TEXT,NOPLOT YYYY-TB44x36.dgn;selview 1
filedesign
save design

It is important to us that all of the files we attach have the paths as relative for the clients use after the design is complete. I have done research and seen people recommend MDL apps to help but I don't understand them all too well. If someone could guide me to an article that helps explain them or the problem I am having would help a bunch!

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