Called when a script trigger effect is triggered.
effect_id: string — The effect_id specified in the trigger effect.surface_index: uint32 — The surface the effect happened on.source_position?: MapPositionsource_entity?: LuaEntitytarget_position?: MapPositiontarget_entity?: LuaEntitycause_entity?: LuaEntity — The entity that originally caused the sequence of triggersquality?: stringname: defines.events — Identifier of the eventtick: uint32 — Tick the event was generated.