# libtmux::Window::session_name

- **Module:** libtmux::Window
- **Package:** libtmux-cxx
- **Language:** C++
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-cxx/blob/85e8bd603a322dc32bb8b9aeb1a72bcf36945f1d/include/libtmux/entities.hpp#L444
- **Page:** https://libtmux.org/reference/cxx/libtmux-window-session_name-1x3f/

```
libtmux::Window::session_name() -> std::string_view
```

The owning psmux route carried by Windows live snapshots.

Empty on POSIX and in recordings made from the backward-compatible `kFields` schema.