# libtmux::Pane::window_id

- **Module:** libtmux::Pane
- **Package:** libtmux-cxx
- **Language:** C++
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-cxx/blob/393d4b0ad666f18a6581f1eb281741a75a7503f0/include/libtmux/entities.hpp#L691
- **Page:** https://libtmux.org/en/cxx/latest/reference/libtmux-pane-window_id-1v4v/

```
libtmux::Pane::window_id() -> WindowId
```