# io.github.libtmux.scaladsl.cats.Window.split

- **Module:** io.github.libtmux.scaladsl.cats
- **Package:** io.github.libtmux:libtmux-scala_3
- **Language:** Scala
- **Kind:** method
- **Source:** https://libtmux.org/en/scala/latest/reference/sources/libtmux-scala-cats/build/generated/sources/catalog/scala/operations/GeneratedOperations.scala
- **Page:** https://libtmux.org/en/scala/latest/reference/io-github-libtmux-scaladsl-cats-window-split/

tmux command: [`split-window`](/en/tmux/latest/manual/split-window/)

```
extension [F[_]](self: Window[F])(using F: _root_.cats.effect.Async[F])
def split(): F[Pane[F]]

extension [F[_]](self: Window[F])(using F: _root_.cats.effect.Async[F])
def split(configure: io.github.libtmux.SplitSpec.Builder => Unit): F[Pane[F]]

extension [F[_]](self: Window[F])(using F: _root_.cats.effect.Async[F])
def split(spec: io.github.libtmux.SplitSpec): F[Pane[F]]
```

Splits this window's active pane in half, putting the new one below it.

## Parameters

- `configure` (`io.github.libtmux.SplitSpec.Builder => Unit`) (for `split(configure)`)
- `spec` (`io.github.libtmux.SplitSpec`) (for `split(spec)`)