function Trig_item_Actions takes nothing returns nothing
local unit u=GetManipulatingUnit()
local item i=GetManipulatedItem()
local player p=GetOwningPlayer(u)
local integer id=0
if GetItemLevel(i)==1 then
      loop   
      exitwhen id>6
          if GetItemLevel(UnitItemInSlot(u,id-1))==1 and UnitItemInSlot(u,id-1) != i then
           call UnitRemoveItem(u,i)
           call DisplayTextToPlayer(p, 0, 0,"|cFFBF0000Нельзя носить больше одно предмета этого типа|r")
          endif
      set id=id+1
      endloop
      endif
      if GetItemLevel(i)==2 then
      loop
          exitwhen id>=6
          if GetItemLevel(UnitItemInSlot(u,id-1))==2 and UnitItemInSlot(u,id-1)!=i then
             call UnitRemoveItem(u,i)
call DisplayTextToPlayer(p, 0, 0,"|cFFBF0000Нельзя носить больше одно предмета этого типа|r")
          endif
          set id=id+1
      endloop
      endif
if GetItemLevel(i)==3 then
      loop
          exitwhen id>=6
          if GetItemLevel(UnitItemInSlot(u,id-1)) == 3 and UnitItemInSlot(u,id-1) != i then
             call UnitRemoveItem(u,i)
             call DisplayTextToPlayer(p, 0, 0,"|cFFBF0000Нельзя носить больше одно предмета этого типа|r")
          endif
          set id=id + 1
      endloop
      endif
      set u=null
endfunction
//===========================================================================
function InitTrig_item takes nothing returns nothing
local integer index=0
local trigger trig=CreateTrigger(  )
       loop
          call TriggerRegisterPlayerUnitEvent(trig, Player(index),EVENT_PLAYER_UNIT_PICKUP_ITEM, null)
          set index = index + 1
          exitwhen index == 16
      endloop
      call TriggerAddAction(trig, function Trig_item_Actions )
      set trig=null
endfunction