# key_string_width

Source: https://libtmux.org/en/tmux/latest/catalog/formats/key_string_width/

> Maximum key_string width in list

format variable tmux3.7c

Maximum key_string width in list

* Type

  Text

* Usage

  `#{key_string_width}`

## Description[#](https://libtmux.org/en/tmux/latest/catalog/formats/key_string_width/#description)

Maximum key_string width in list

## Releases[#](https://libtmux.org/en/tmux/latest/catalog/formats/key_string_width/#releases)

* [tmux 3.7c](https://libtmux.org/en/tmux/3.7c/catalog/formats/key_string_width/) : present
* tmux 3.2a : not present

## Source[#](https://libtmux.org/en/tmux/latest/catalog/formats/key_string_width/#source)

* Defined in

  [`cmd-list-keys.c:233`](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/cmd-list-keys.c#L233)

* C source reference

  [`format_table`](https://libtmux.org/en/tmux/latest/reference/c-variable-format-c-format_table/)

* CLI Manual

  [Original manual entry](https://libtmux.org/en/tmux/latest/manual/full/#key_string_width)