> For the complete documentation index, see [llms.txt](https://docs.helmut.de/helmut4-releases/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.helmut.de/helmut4-releases/v4.7.0/helmut4-components/streamdesigner/nodes/outputs/os/macos-system-notification-output.md).

# MacOS System Notification Output

With the help of the MacOS System Notification Action, it is possible to send a notification to a user via the operating system. In this case it is only possible for MAC and within a client stream, as the server cannot communicate with the respective workstation.