This spell can operate on an area or on an item. The spell discharges the effect of the area (15? radius) or the primary function on an item.
Items: A targeted wand of fireballs will use a charge and activate a fireball at maximum range. I wand with a beam power will active and affect the first target it hits. A chime of hunger will gong activating its ability, etc.
Area: A glyph of warding placed on an area can be triggered by the spell. A magic mouth spell sounds, etc.
Only items with charges or effects that are limited can be affected. A ring of protection, lenses of the eagle, and potions, scrolls, or a pearl of wizardry can’t be affected.
To activate the spells in an area the spell caster must make a will save against the spell’s just as if they were affected by it. If the target is an item the wearer of the item must make a will save Vs the caster’s spell trigger in order to have their item be triggered.