On this pageFunction: AddSpellEffectById() AddSpellEffectById(abilityId, t, x, y): effect | undefined Defined in: common.j.d.ts:22328 Parameters abilityId number integer (32-bit) t effecttype effecttype x number real y number real Returns effect | undefined effect See https://lep.duckdns.org/jassbot/doc/AddSpellEffectById