How to add button to activate hack?

So I have this:
function secure(name)
managers.loot:secure( name, managers.money:get_bag_value( name ) )
end
secure("gold")
secure("gold")
secure("gold")
secure("gold")
secure("gold")
secure("gold")
secure("gold")
secure("gold")
secure("gold")
secure("gold")
secure("gold")
secure("gold")

but i dont know how to set a hotkey for it, any help?