# LibTmux.Pane.split_option/0

- **Module:** LibTmux
- **Package:** libtmux
- **Language:** Elixir
- **Kind:** typealias
- **Source:** https://github.com/libtmux/libtmux-elixir/blob/66b9b1c3f3f3186428abdfda2c76f5cf87446710/lib/libtmux/entities.ex#L246
- **Page:** https://libtmux.org/en/elixir/latest/reference/libtmux-pane-split_option-0/

```
@type split_option() ::
        LibTmux.Action.option()
        | {:axis, :horizontal | :vertical}
        | {:size, {:cells, 1..32767} | {:percent, 1..99}}
        | {:before | :detached, boolean()}
        | {:cwd, binary()}
        | {:command,
           :default
           | :empty
           | {:shell, binary()}
           | {:argv, [binary(), ...]}}
```

Split geometry and process arguments.