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1. Create virtual device (Menu → Settings → Virtual devices → + (or Add virtual device) → Switch
2. Set name "Notification"
3. Set device type = Emergency:
   
4. Setting Emergency device type will automatically pre-define correct icons and names for On and Off states:
   
5. Open details of this new virtual switch and select Add a new smart rule
   
6. Select smart rule Equation
   

7. Set smart rule Equation to turn on your virtual emergency switch if the notification condition is met.
   In our example, we are checking if one of temperatures (Temperature 1, Temperature 2) is higher than 25ºC. Also, once this condition is met, we set minimum duration to 30 minutes, so that we don't receive notifications too often.

   ← Equation	Rename
   SETTINGS   INFO   LIMITING CONDITION
   Variables Temperature 1 Temperature 2	Te = 21.8ºC Te1 = 22.3ºC
   Equation (Te > 25) or (Te1 > 25)
   Actions If result is TRUE, perform following actions: Notification	On
   If result is FALSE, perform following actions: Notification	Off
   Duration When to stop performing specified actions Minimum duration Value: 30 minutes Maximum duration Value: not set

   
   

8. Open detail of device Notification and add smart rule "Notification"
   

9. Set smart rule Notification to provide proper feedback when temperatures are higher than 25 degrees:

   ← Notification	Rename
   SETTINGS   INFO   LIMITING CONDITION
   Send notifications when these sensors change: Notification + Add sensor
   Notifications Notify if turned on Message: Temperatures higher than 25ºC Notify if turned off Message: Temperatures are OK

   
   

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