# libtmux:resize-pane

- **Package:** libtmux
- **Language:** Common Lisp
- **Kind:** function
- **Source:** https://github.com/libtmux/libtmux-lisp/blob/c2e5fc4ed3befda21f45dfa5d5868c38fd138311/src/geometry.lisp#L50
- **Public owner:** libtmux
- **Page:** https://libtmux.org/en/lisp/latest/reference/libtmux-resize-pane/

```
(resize-pane client pane &key width height direction (amount 1 amount-p) zoom (observe t) cancel-token timeout output-limit)
```

Resize PANE and return a COMMAND-OUTCOME with an optional replacement pane.
Choose cell WIDTH/HEIGHT (1..10000), a DIRECTION and positive AMOUNT, or ZOOM.
DIRECTION is :LEFT, :RIGHT, :UP or :DOWN; AMOUNT defaults to one. ZOOM toggles
the window's zoom state. Modes are exclusive. Tmux may clamp sizes to the
available layout; inspect the observed value. Earlier captures stay unchanged.
Signals INVALID-ARGUMENT, STALE-TARGET or an operational condition.

## Parameters

- `client`
- `pane`
- `width?`
- `height?`
- `direction?`
- `amount?`
- `zoom?`
- `observe?`
- `cancel-token?`
- `timeout?`
- `output-limit?`

## tmux command

The tmux commands behind `resize-pane`.

- [`resize-pane`](/en/tmux/latest/manual/resize-pane/)

## tmux C API

The C declarations in tmux that implement these commands.

- [`cmd_resize_pane_entry`](/en/tmux/latest/reference/c-variable-cmd_resize_pane_entry/) (attribute)
- [`cmd_resize_pane_exec`](/en/tmux/latest/reference/c-function-cmd-resize-pane-c-cmd_resize_pane_exec/) (function)

## Guides

Pages that discuss `resize-pane`.

- [Explicit operations](/en/lisp/latest/guides/operations/)