# client_prefix

Source: https://libtmux.org/en/tmux/3.7c/catalog/formats/client_prefix/

> 1 if prefix key has been pressed

format variable tmux3.7c

1 if prefix key has been pressed

* Scope

  Describes the client being formatted

* Type

  Text

* Usage

  `#{client_prefix}`

## Description[#](https://libtmux.org/en/tmux/3.7c/catalog/formats/client_prefix/#description)

1 if prefix key has been pressed

## Releases[#](https://libtmux.org/en/tmux/3.7c/catalog/formats/client_prefix/#releases)

* [tmux 3.7c](https://libtmux.org/en/tmux/3.7c/catalog/formats/client_prefix/) : present
* [tmux 3.2a](https://libtmux.org/en/tmux/3.2a/catalog/formats/client_prefix/) : present

## Source[#](https://libtmux.org/en/tmux/3.7c/catalog/formats/client_prefix/#source)

* Defined in

  [`format.c:3254`](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/format.c#L3254)

* C source reference

  [`format_cb_client_prefix`](https://libtmux.org/en/tmux/3.7c/reference/c-function-format-c-format_cb_client_prefix/)

* CLI Manual

  [Original manual entry](https://libtmux.org/en/tmux/3.7c/manual/full/#client_prefix)

## Used by[#](https://libtmux.org/en/tmux/3.7c/catalog/formats/client_prefix/#used-by)

Library documentation that names this format variable.

* Go

  [`tmux.Client.Prefix`](https://libtmux.org/en/go/latest/reference/tmux-client-prefix/), [`tmux.FormatValues.ClientPrefix`](https://libtmux.org/en/go/latest/reference/tmux-formatvalues-clientprefix/)