# session_activity

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

> Time of session last activity

format variable tmux3.7c

Time of session last activity

* Scope

  Describes the session being formatted

* Type

  Time, in seconds since the epoch

* Usage

  `#{session_activity}`

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

Time of session last activity

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

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

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

* Defined in

  [`format.c:3563`](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/format.c#L3563)

* C source reference

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

* CLI Manual

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

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

Library documentation that names this format variable.

* Go

  [`tmux.FormatValues.SessionActivity`](https://libtmux.org/en/go/latest/reference/tmux-formatvalues-sessionactivity/), [`tmux.Session.Activity`](https://libtmux.org/en/go/latest/reference/tmux-session-activity/)