Inventory Script File (How to combine two items)

[house]

I made it work but only using the main's folder inventory file (you know, the one with all the game's combinations).
I tried it with a script in a map but it would do what you described (no complaints about combination not working, but the function wouldn't execute).
And I tried to make an inventory.hps in my custom story's folder (along with custom_story_settings.cfg) but it wouldn't work that way =/ (usual combination not working message would show).

Does your inventory.hps file works? (and with "works" I mean does your custom story runs it?)

Man! Do we instead, need to name it: extra_inventory? I don't know really. Probably not. We probably need to overwrite the real inventory.hps file.