# libtmux.Session.lock_session

- **Module:** libtmux.Session
- **Package:** libtmux
- **Language:** Python
- **Kind:** method
- **Source:** https://github.com/tmux-python/libtmux/blob/9fdd083a8181a827889337b63cd4e6daea661a8c/src/libtmux/session.py#L465
- **Page:** https://libtmux.org/en/py/latest/reference/libtmux-session-lock_session/

```
libtmux.Session.lock_session(self) -> None
```

Lock this session via ``$ tmux lock-session``.

>>> session.lock_session()