c3d.quit

Used for detecting when the user tries to quit the application by terminating it using the Ctrl+T shortcut.

you can also use it to stop the termination or add something like a confirmation dialog. return whether the applications should be terminated

returns

local allow_quit = false
function c3d.quit()
    if not allow_quit then
        epic_exit_confirm_func("are you sure you want to quit?")
    end

    return allow_quit
end