# libtmux.Session.attach_session

- **Module:** libtmux
- **Package:** libtmux
- **Language:** Python
- **Kind:** method
- **Source:** https://github.com/tmux-python/libtmux/blob/38e368c11117fb4aeb2f082d552cd4f210eae06a/src/libtmux/session.py#L1055
- **Page:** https://libtmux.org/en/py/stable/reference/libtmux-session-attach_session/

```
libtmux.Session.attach_session(self) -> Session
```

Return [`$ tmux attach-session`](/en/tmux/latest/manual/attach-session/) aka alias: [`$ tmux attach`](/en/tmux/latest/manual/attach-session/).

## Deprecated

0.30 — Deprecated in favor of :meth:`.attach()`.