Notification Device Groups/Fowarder

[bertabcd1234]

This sounds like what you want:

Global Notification Device Variable?

Try this Notification Proxy app and driver combo I wrote to address this need for myself. You can create a virtual device using the proxy driver, then you can use that virtual device in all of your rules/apps instead of the real ones. The Notification Proxy app allows you to assign "real" devices to that virtual device and switch them out at will. (You can also create multiple virtual devices for different needs--I have one that only does my mobile devices and one that does those plus my tablet…

I can explain more about installation or use if it is not clear from my original post.