# libtmux.Session.__init__

- **Module:** libtmux
- **Package:** libtmux
- **Language:** Python
- **Kind:** method
- **Source:** https://github.com/tmux-python/libtmux/blob/38e368c11117fb4aeb2f082d552cd4f210eae06a/src/libtmux/common.py#L61
- **Inherited from:** libtmux.common.EnvironmentMixin
- **Page:** https://libtmux.org/en/py/stable/reference/libtmux-session-__init__/

```
libtmux.Session.__init__(
    self, add_option: str | None = None
) -> None
```

## Parameters

- `add_option` (`str | None`)