Automated updating of API pages at this location, to reflect patch changes, has ceased from 10.1.7 onwards.

Returns true if the specified spell currently has a proc / spell activation alert (glowing border).

isTrue = IsSpellOverlayed(spellID)

Arguments

spellID

number - the spell ID number

Returns

isTrue

boolean - is it true if the spell is already using SpellActivationAlert, false otherwise