function Trig_Spell01b_Conditions takes unit Attacker returns boolean 
   return GetEventDamageSource() == Attacker
   endfunction

// бла- бла- бла

function Trig_Spell01a_Actions takes nothing returns nothing
local trigger trg = CreateTrigger()
    
    
    call TriggerRegisterUnitEvent( trg, GetTriggerUnit(), EVENT_UNIT_DAMAGED )
    call TriggerAddCondition( trg, Condition( function Trig_Spell01b_Conditions(GetAttacker()) ) )
    call TriggerAddAction( trg, function Trig_Spell01b_Actions)
    
    set trg = null
endfunction

// бла- бла- бла