Incubates #7282

source/NVDAObjects/UIA/__init__.py

@@ -1307,6 +1307,16 @@ def event_valueChange(self):
 			return
 		return super(UIA, self).event_valueChange()
 
+	def event_UIA_systemAlert(self):
+		"""
+		A base implementation for UI Automation's system Alert event.
+		This just reports the element that received the alert in speech and braille, similar to how focus is presented.
+		Skype for business toast notifications being one example.
+		"""
+		speech.speakObject(self, reason=controlTypes.REASON_FOCUS)
+		# Ideally, we wouldn't use getBrailleTextForProperties directly.
+		braille.handler.message(braille.getBrailleTextForProperties(name=self.name, role=self.role))
+
 class TreeviewItem(UIA):
 
 	def _get_value(self):

source/_UIAHandler.py

@@ -137,6 +137,7 @@
 	#UIA_AsyncContentLoadedEventId:"documentLoadComplete",
 	#UIA_ToolTipClosedEventId:"hide",
 	UIA_Window_WindowOpenedEventId:"UIA_window_windowOpen",
+	UIA_SystemAlertEventId:"UIA_systemAlert",
 }
 
 class UIAHandler(COMObject):