есть ли ограничения EVENT на вк3?

//!===============================================================================================================================
//                                           2)  Sokatsui
//!===============================================================================================================================
function White_Periodic takes nothing returns boolean
  local trigger t=GetTriggeringTrigger()
  local integer h=GetHandleId(t)
  local unit u=LoadUnitHandle(H,h,0)
  local unit d=LoadUnitHandle(H,h,1)
  local real r=LoadReal(H,h,2)
  local real spellX=LoadReal(H,h,3)
  local real spellY=LoadReal(H,h,4)
  local group g=LoadGroupHandle(H,h,5)
  local real x = GetUnitX(d) + 50 * Cos(GetUnitFacing(d) * 0.0174)
  local real y = GetUnitY(d) + 50 * Sin(GetUnitFacing(d) * 0.0174)
  local real re
  local unit c
  local integer i=0
  call SetUnitPosition(d, x,y)
  set re=bj_RADTODEG * Atan2(spellY - y, spellX - x)
  call SetUnitFacing(d, re)
  call SaveReal(H,h,2,r-50.00)
  if r <=100.00 then
    call UnitApplyTimedLife(d,'BTLF',0.01)
    loop
      exitwhen i>2
      set c = CreateUnit(GetOwningPlayer(u),'h100',GetWidgetX(d),GetWidgetY(d),GetRandomReal(1.00,360.00))
      call UnitApplyTimedLife(c,'BTLF',4)
      call DestroyEffect(AddSpecialEffect("Abilities\\Spells\\Human\\ThunderClap\\ThunderClapCaster.mdl",GetUnitX(c),GetUnitY(c)))
      set i=i+1
    endloop
    if GetUnitAbilityLevel(u,'AA76')==1 then
    call DamageSpell(g,d,250,110)
    elseif GetUnitAbilityLevel(u,'AA76')==2 then
    call DamageSpell(g,d,500,180)
    elseif GetUnitAbilityLevel(u,'AA76')==3 then
    call DamageSpell(g,d,500,250)
    elseif GetUnitAbilityLevel(u,'AA76')==4 then
    call DamageSpell(g,d,500,320)
    endif
    call Destroy_Group(g)
    call FlushChildHashtable(H,h)
    call Destroy_Trigger(t)
  else
  endif
  set c=null
  set t=null
  set d=null
  set u=null
  set g=null
  return false
endfunction

function WhiteRipple takes nothing returns nothing
  local trigger t=CreateTrigger()
  local integer h=GetHandleId(t)
  local unit u=GetTriggerUnit()
  local real x = GetUnitX(u) + 50 * Cos(GetUnitFacing(u) * 0.0174)
  local real y = GetUnitY(u) + 50 * Sin(GetUnitFacing(u) * 0.0174)
  local real spellX=GetSpellTargetX()
  local real spellY=GetSpellTargetY()
  local unit d
  local real dx 
  local real dy 
  local real r
  set d = CreateUnit(GetOwningPlayer(u),'ubot',GetUnitX(u),GetUnitY(u),GetUnitFacing(u))
  call UnitApplyTimedLife(d,'BTLF',3)
  set dx = spellX - GetUnitX(d)
  set dy = spellY - GetUnitY(d)
  set r = SquareRoot(dx * dx + dy * dy)
  call SaveUnitHandle(H,h,0,u)
  call SaveUnitHandle(H,h,1,d)
  call SaveReal(H,h,2,r)
  call SaveReal(H,h,3,spellX)
  call SaveReal(H,h,4,spellY)
  call SaveGroupHandle(H,h,5,NewGroup())
  call TriggerRegisterTimerEvent(t,0.025,true)
  call TriggerAddCondition(t,Condition(function White_Periodic))
  set t=null
  set d=null
  set u=null
endfunction