os_ext

os_ext.register_atexit

Declaration
lua
register_atexit(name, callback)
Description
Register function to run when script exits.
Parameters
`name` (string) — unique identifier `callback` (function)
Return Values
`function` — previous callback (if any)
Example
lua
register_atexit("cleanup", function()
  sys.log("Script ending, cleaning up...")
end)