Need help coding a pointshop model

[arlite]

When i use this code it doesnt work
When i use this code ITEM.Name = 'Rorschach'ITEM.Price = 25000ITEM.Model = 'models/player/slow/rorschach.mdl'fuction ITEM:OnEquip(ply, modifications)
if not ply._OldModel then
ply._OldModel = ply:GetModel()
end

timer.Simple(1, function() ply:SetModel(self.Model) end)
end

function ITEM:OnHolster(ply)
if ply._OldModel then
ply:SetModel(ply._OldModel)
end
end