So, I'm having trouble figuring out how to add the Wisdom modifier as damage for a weapon.

Example. Short sword doe an additional (Wisdom modifier damage [Minimum 1])

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I added a Modifier to the item:

Modifier type // Damage

Modifier subtype Psychic. 

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But it doesn't show the Wis Mod.

So, what am I doing wrong?

You did select WIS for ability score on the modifier right?

If it worked the extra damage will be visible on the item in the sidebar. It may not work though, adding ability scores to weapon damage isn't something an item modifier has done.

That was my original attempt and failed so I'm at what the original post is.