local cooldown = 0
local ped = GetPlayerPedId()

RegisterNetEvent('useweed')
AddEventHandler('useweed, function()
   if cooldown ~= 0 then
      SetEntityHealth(ped, 0)
      ShowNotification('u ded)
   elseif
      if GetEntityHealth(ped) == GetEntityMaxHealth(ped) then
         SetEntityHealth(ped, 0)
         ShowNotification('u ded')
      else
         SetEntityHealth(ped, GetEntityMaxHealth(ped))
         cooldown = 30
         while cooldown ~= 30 do
             cooldown = cooldown - 1
             Wait(1000)
         end
      end
  end
)