# window.activity_time

- **Language:** C
- **Kind:** attribute
- **Source:** https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/tmux.h#L1052
- **Page:** https://libtmux.org/en/tmux/3.2a/reference/c-struct-window-activity_time/

```c
struct timeval activity_time;
```

## Referenced by

- [`format_cb_window_activity`](/en/tmux/3.2a/reference/c-function-format-c-format_cb_window_activity/) (function)
- [`window_tree_cmp_window`](/en/tmux/3.2a/reference/c-function-window-tree-c-window_tree_cmp_window/) (function)
- [`window_update_activity`](/en/tmux/3.2a/reference/c-function-window_update_activity/) (function)