
Using the Query Language 483
Using the Query Language in Rule Conditions or Derived Metric Expressions
From here, you can proceed to any of the following procedures:
•“Inserting registry variables” on page 483
•“Inserting metrics and topology object properties” on page 484
•“Inserting Groovy functions” on page 487
Inserting registry variables
Caution Although you can insert a registry variable into a derived metric expression, it is not
recommended that you do so.
Using a registry variable in a derived metric expression could lead to unpredictable and
confusing results since the resulting metric might change its definition at different points
in time.
The Registry Variable tab in the Condition Editor (rules) and Expression Editor (derived
metrics) dialog box lists the registry variables that are available based on the rule or
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