Grant Wensley

Derived Properties

AUTHOR: Grant Wensley

Sometimes a valuable customer metric is not captured explicitly in event data, but can be derived or inferred from existing properties. With Derived Properties in Govern, you can create new events and user properties on the fly, without having to update your instrumentation. You can perform manipulations and calculations and save the new derived property for new analysis without additional instrumentation work.

For example, say you may want to measure site visits by referrer URL, but group the values by domain. You derive a new property to strip the complete URL down to just domain and host information, like this:


This will convert a value like “” into just “” In addition, Derived Properties support mathematical, and nested operators.

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