# libtmux.Session.lock_session

- **Module:** libtmux.Session
- **Package:** libtmux
- **Language:** Python
- **Kind:** method
- **Source:** https://github.com/tmux-python/libtmux/blob/036c521c4b83ce6e434eb50afe2a0d08a6a05e46/src/libtmux/session.py#L465
- **Page:** https://libtmux.org/reference/py/libtmux-session-lock_session/

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

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

>>> session.lock_session()