After adding gender and age group via attributes to my store items, I still do not see them in my feed. Is there a setting that I am missing in admin or something. I chose radio buttons for the type and I am running Zen Cart 1.3.9h and GMCF 1.10.3.
I've been working on the same thing. One step I haven't gotten to yet, creating stock id's. I'll let you know if it helps, once I get it done. I have four variables I'm trying to add.