# libtmux::Pane::window_id

- **Module:** libtmux::Pane
- **Package:** libtmux-cxx
- **Language:** C++
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-cxx/blob/85e8bd603a322dc32bb8b9aeb1a72bcf36945f1d/include/libtmux/entities.hpp#L578
- **Page:** https://libtmux.org/reference/cxx/libtmux-pane-window_id-1v4v/

```
libtmux::Pane::window_id() -> std::string_view
```