# window.LayoutSpec.Named.0

- **Module:** window.LayoutSpec
- **Package:** libtmux
- **Language:** Rust
- **Kind:** attribute
- **Source:** https://github.com/libtmux/libtmux-rs/blob/84de9258a07d10bdd5f6da01b016a9ae06fe1210/crates/libtmux/src/window.rs#L1423
- **Page:** https://libtmux.org/en/rs/latest/reference/window-layoutspec-named-0/

```rs
0: Layout
```

The preset used to compute a new pane arrangement.