function Trig_a_Actions takes nothing returns nothing
    local group g = CreateGroup()
    local unit u
    set u = CreateUnit(Player(7), 'id-unita', GetRectCenterX(gg_rct_AtElf), GetRectCenterY(gg_rct_AtElf), 270) 
    call GroupAddUnit(g, u)
    // создаешь нужное кол-во юнитов
    call GroupPointOrder(g, "attack", GetRectCenterX(gg_rct_Start), GetRectCenterY(gg_rct_Start))
    call DestroyGroup(g)
    set u = null
    set g = null
endfunction

//===========================================================================
function InitTrig_a takes nothing returns nothing
    set gg_trg_a = CreateTrigger(  )
    call TriggerRegisterTimerEvent(gg_trg_a, 1000, true)
    call TriggerAddAction( gg_trg_a, function Trig_a_Actions )
endfunction