function on_script_loaded()
world.info("Hello world")
end
function on_script_unloaded()
world.info("Goodbye world")
return "house"
end
function on_script_reloaded(value)
if value then
world.info("I'm back. Thanks for the "..value.." keys!")
else
world.info('I have not saved any state before unloading')
end
end