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To use this power, simply set the item TAG equal to the name of the script to call. For example if you have an item called Hat01 that applies a special hat appearance, then you might want to make a script named "ITit_HAT01"hat01" and set the tag on the hat to the same.
On-Use Unique Item Properties
As another option, you can give the host item the property "Cast Spell > Unique Power Self Only". When cast, this item power will call the event X2_ITEM_EVENT_ACTIVATE which can also be handled in your tag-based script.
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The toolset already comes with an example script showing all the events that will run to the tag-based item script. You can open "X2_IT_EXAMPLE" in the toolset script editor.
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