<function name="setmetatable" parent="Global" type="libraryfunc"> <description>Sets, changes or removes a table's metatable. Returns Tab (the first argument).</description> <realm>Shared and Menu</realm> <args> <arg name="Tab" type="table">The table who&#x27;s metatable to change.</arg> <arg name="Metatable" type="table">The metatable to assign.&amp;amp;lt;br /&amp;amp;gt;If it&#x27;s nil, the metatable will be removed.</arg> <arg name="Tab" type="table">The table who's metatable to change.</arg> <arg name="Metatable" type="table">The metatable to assign.&amp;lt;br /&amp;gt;If it's nil, the metatable will be removed.</arg> </args> <rets> <ret name="" type="table">The first argument.</ret> </rets> </function> <example> <description>Creates a metatable and assigns it to a table.</description> <code> local Pupil_meta = { GetName = function(self) return self.name end } Pupil_meta.__index = Pupil_meta -- If a key cannot be found in an object, it will look in it's metatable's __index metamethod. local Pupil = { name = "John Doe" } setmetatable(Pupil, Pupil_meta) print( Pupil:GetName() ) -- This will look for the "GetName" key in Pupil, but it doesn't have one. So it will look in it's metatable (Pupil_meta) __index key instead. </code> <output>"John Doe"</output> </example>