ThingWorx Model Definition and Composer > Alerts > Alerts with Persistent Properties
  
Alerts with Persistent Properties
Timestamps for alerts that contain persistent properties are updated when any of the following occurs (given that the property value meets the alert condition):
Thing is saved
Thing is imported (with the property default value meeting the alert condition)
The RestartThing() service is called on the Thing
Tomcat is restarted
Related Links
Alerts
AddOrUpdateAlert Service Attributes
Alert Services with the Persistent Parameter
Alert Types
Retrieving Threshold Information from Alerts
Automated Monitoring Thresholds