# WINDOW_ACTIVITY

- **Language:** C
- **Kind:** constant
- **Source:** https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/tmux.h#L1399
- **Page:** https://libtmux.org/en/tmux/3.7c/reference/c-define-tmux-h-window_activity/

```c
#define WINDOW_ACTIVITY 0x2
```

## Referenced by

- [`alerts_check_activity`](/en/tmux/3.7c/reference/c-function-alerts-c-alerts_check_activity/) (function)
- [`alerts_enabled`](/en/tmux/3.7c/reference/c-function-alerts-c-alerts_enabled/) (function)
- [`WINDOW_ALERTFLAGS`](/en/tmux/3.7c/reference/c-define-tmux-h-window_alertflags/) (constant)
- [`window_update_activity`](/en/tmux/3.7c/reference/c-function-window_update_activity/) (function)