# window.Window.session_id

- **Module:** window.Window
- **Package:** libtmux
- **Language:** Rust
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-rs/blob/f0e37052c232636b61d095817046e6bfc8f2ca40/crates/libtmux/src/window.rs#L193
- **Page:** https://libtmux.org/en/rs/latest/reference/window-window-session_id/

```
window.Window.session_id(self) -> &SessionId
```

Return the session this handle reached the window through.