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Unique Property Count

Overview​

Counts how many unique values of a specific property appear in the goal events triggered by users. Instead of counting users, this metric measures the variety or diversity within a property, such as the number of different products purchased, the number of distinct categories reached, etc.

This metric helps you understand breadth rather than volume or frequency.

Examples​

context.track("purchase", {
  price: 1000,
  order_number: "0000982532",
  product_id: "ABC123",
  category_id: "ZYZ123"
});

From this event, a Unique products purchased metric could be created by selecting the product_id property.

Good to know​

  • Great for understanding variety, breadth, and coverage within your goals.
  • Useful for marketplaces, catalog browsing, search, merchandising, and content variety analyses.
  • Each property value is counted once, regardless of how many times it appears.
  • Filtering the goal event first (e.g., to a category or price range) affects which values contribute to the unique count.
  • Outlier settings do not apply here since the metric counts distinct strings or identifiers, not numeric values.
  • Can complement total count or user-based metrics by revealing diversity even when volume is stable.