# tmux.SelectLayoutRequest.Layout

- **Module:** tmux.SelectLayoutRequest
- **Package:** github.com/libtmux/libtmux-go/tmux
- **Language:** Go
- **Kind:** attribute
- **Source:** https://github.com/libtmux/libtmux-go/blob/52968a3181c1c9e6d1b26c565d4b170968ae61c0/tmux/window_layout.go#L21
- **Page:** https://libtmux.org/en/go/latest/reference/tmux-selectlayoutrequest-layout/

Layout names a preset or supplies a tmux layout string - either the classic checksum-prefixed grammar every supported version accepts, or the JSON shape tmux 3.8+ also accepts, exactly as #{window_layout} reported it; empty selects the zero-value behavior.