I just sent a private message detailing. Thank you!
The advice below got me going. Thanks Alec!!
This will mean adding an identification attribute to every issue element. For example, changing:
<issue published="true" current="true">
<issue published="true" current="true" identification="vol">
The options for identification are
num_year_title. For anything involving
title, you’ll also need to specify a
title element inside