You can use computed attributes to generate an alarm when the value changes.
How can i add the attribute and what is the condition for this value ??
Here's the documentation:
https://www.traccar.org/computed-attributes/
You can also find some good examples on the forum.
I added attribute for Alarm but i have message alarm undefined
Hi
how can i add attribute ON/OFF by IN2 on VT800 device also when the condition is met i want to receive sms ?