Set max number of items in container?

Is there a way to script this:
I'd like to create a container that can hold a maximum of 4 items, no matter how large or heavy they are.

Alternatively, is there a way to script a container that would hold a maximum of 4 item types, but could hold an unlimited number of any of them (for example, it could hold a sword, a shield, 25 alchemical fires and 6 antitoxins, or a sword, a shield, a statue and a holy symbol... but only up to four entries, no matter how many of each individual entries)

Thanks!

Maybe look at how bag of holding is scripted. That has a constant weight regardless of its contents.

Krothos said:

Maybe look at how bag of holding is scripted. That has a constant weight regardless of its contents.

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That is taken care of by top-level containers, I think. It's not the weight I'm trying to limit, but the number of items that can be slotted in.

Wayfinders have a limit of 1 ioun stone, check that out.