how do you reference a custom property in jql?

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To reference a custom property in JQL (JavaScript Query Language) for Mixpanel, you would typically access it through the properties object of an event. However, the knowledge sources provided don't contain specific information about referencing custom properties in JQL.The closest relevant information we have is from the JQL: Create custom queries using Javascript code document, which shows how to access regular event properties: LBKSfunction main() { return Events({ from_date: "2016-01-01", to_date: "2016-02-01", event_selectors: [{event: "Change Plan"}], }) .groupBy( [ "properties.New Plan", "properties.Previous Plan", // use a function to dynamically calculate a day of the event. function(ev) { return (new Date(ev.time)).toDateString(); } ], [ mixpanel.reducer.count(), mixpanel.reducer.any() ] ); }LBKSAs you can see, regular properties are accessed using properties.PropertyName. It's likely that custom properties would be accessed in a similar way, but without more specific information from the knowledge sources, I can't provide a definitive answer on how to reference custom properties in JQL.

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