# tmux.SplitPaneRequest.Percentage

- **Module:** tmux.SplitPaneRequest
- **Package:** github.com/libtmux/libtmux-go/tmux
- **Language:** Go
- **Kind:** attribute
- **Source:** https://github.com/libtmux/libtmux-go/blob/52968a3181c1c9e6d1b26c565d4b170968ae61c0/tmux/pane_create.go#L78
- **Page:** https://libtmux.org/en/go/latest/reference/tmux-splitpanerequest-percentage/

Percentage selects a size from 0 through 100; nil omits it. It is sent as tmux's "-l N%", which every supported version accepts; the older -p spelling is rejected by tmux 3.4.