# LibTmux.Window.ActivityAlert

- **Module:** LibTmux
- **Package:** LibTmux
- **Language:** C#
- **Kind:** property
- **Source:** https://github.com/libtmux/libtmux-dotnet/blob/cf34b255c896d19a97e7d7fabea58609c916012d/src/LibTmux/Window.State.cs#L50
- **Page:** https://libtmux.org/en/csharp/latest/reference/libtmux-window-activityalert/

Gets whether the window printed since it was last the current window.

tmux sets it only while <c>monitor-activity</c> is on.