Need Lua Net help.

[KnowHow]

-- is there a reason why the function for my gui does not load. useing net
AddCSLuaFile()

ENT.Base = "base_anim"

ENT.Type = "anim"

ENT.PrintName = "Vending Machine - Food"

ENT.Category = "CombineControl"

ENT.Author = "KnowHow"

ENT.Contact = ""

ENT.Purpose = ""

ENT.Instructions = ""

ENT.Spawnable = true;
ENT.AdminSpawnable = true;

ENT.AutomaticFrameAdvance = true;

function ENT:PostEntityPaste( ply, ent, tab )

GAMEMODE:LogSecurity( ply:SteamID(), "n/a", ply:VisibleRPName(), "Tried to duplicate " .. ent:GetClass() .. "!" );
ent:Remove();

end

function ENT:Initialize()

self:SetModel( "models/props/slow/vending_machine_multi_sf/vending_machine.mdl" );

if( SERVER ) then
util.AddNetworkString( "MyMessage" )
self:PhysicsInit( SOLID_VPHYSICS );
self:SetMoveType( MOVETYPE_VPHYSICS );
self:SetSolid( SOLID_VPHYSICS );

local phys = self:GetPhysicsObject();

if( phys and phys:IsValid() ) then

phys:EnableMotion( false );

end

self:SetUseType( SIMPLE_USE );

end

end

function ENT:Use( ply )

if( SERVER ) then
net.Start( "MyMessage" )
net.Send( ply )

end

if( CLIENT ) then
net.Receive( "MyMessage", dim() )
function dim( len )
print( "I was clicked!" )
end
end

end

function ENT:CanPhysgun()

return true;

end