# session_name

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

> Name of session

format variable tmux3.7c

Name of session

* Scope

  Describes the session being formatted

* Type

  Text

* Short form

  `#S`

* Usage

  `#{session_name}`

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

Name of session

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

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

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

* Defined in

  [`format.c:3623`](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/format.c#L3623)

* C source reference

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

* CLI Manual

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

## Used by[#](https://libtmux.org/en/tmux/latest/catalog/formats/session_name/#used-by)

Library documentation that names this format variable.

* Python

  [`libtmux_mcp.tools.pane_tools.find_pane_by_position`](https://libtmux.org/en/py/latest/mcp/reference/libtmux_mcp-tools-pane_tools-find_pane_by_position/), [`libtmux_mcp.tools.pane_tools.respawn_pane`](https://libtmux.org/en/py/latest/mcp/reference/libtmux_mcp-tools-pane_tools-respawn_pane/), [`libtmux_mcp.tools.session_tools.get_session_info`](https://libtmux.org/en/py/latest/mcp/reference/libtmux_mcp-tools-session_tools-get_session_info/), [`libtmux_mcp.tools.window_tools.get_window_info`](https://libtmux.org/en/py/latest/mcp/reference/libtmux_mcp-tools-window_tools-get_window_info/), [`libtmux.Server.new_session`](https://libtmux.org/en/py/latest/reference/libtmux-server-new_session/), [`libtmux.Session.__getitem__`](https://libtmux.org/en/py/latest/reference/libtmux-session-__getitem__/) and 5 more

* Rust

  [`config.Workspace.from_yaml`](https://libtmux.org/en/rs/latest/workspace/reference/config-workspace-from_yaml/)

* Go

  [`tmux.FormatValues.SessionName`](https://libtmux.org/en/go/latest/reference/tmux-formatvalues-sessionname/), [`tmux.Session.Name`](https://libtmux.org/en/go/latest/reference/tmux-session-name/)

* Java

  [`io.github.libtmux.Options.setExpanded`](https://libtmux.org/en/java/latest/reference/io-github-libtmux-options-options-setexpanded/), [`io.github.libtmux.SnapshotCapture.oneSession`](https://libtmux.org/en/java/latest/reference/io-github-libtmux-snapshotcapture-snapshotcapture-onesession/)