The purpose of this filter will be to trigger an action when the temperature reported by the EventSentry temperature sensor exceeds 80 degrees F. A typical event would look like this:
Looking at the 10908 event with the event message browser reveals the following:
The temperature (%3 degrees %4) has fallen outside the configured range (%1%4 to %2%4).
Since insertion string #3 is being substituted with the temperature, we will create a content filter which looks at the third insertion string.
Since the insertion string #3 is a number, we can take advantage of the numerical comparison, as shown above. The main filter dialog will then look similar to this: