how can i show only every instance of an event that has been used by a user for the verty first time
To show only the first instance of an event performed by each user, you can use the First Time Ever filter.When you add this filter to an event, Mixpanel scans each user's entire history on-the-fly to determine the first instance of that event based on its timestamp [Filters].
How to apply it:
1. Go to your report (e.g., Insights, Funnels, or Retention). 2. Click the ... icon beside the event you want to filter [Filters]. 3. Select the First Time filter option (often labeled as "First Time Ever") [Tracking First Time Users].
Key Considerations:
** Historical Scanning: Mixpanel identifies the "first time" by looking at the user's history, not just the timeframe selected for the report. ** Timestamp Ties: If a user performs the same event multiple times within the exact same second (a tie in timestamps), all of those events are considered the "first time" and will be included [Filters]. ** Common Use Cases: This filter is useful for tracking how many users perform a key action (like "Purchase" or "Sign Up") for the first time each week, or identifying which marketing sources drive the most first-time conversions [Filters; Tracking First Time Users].Alternatively, if you are analyzing "new users" generally (rather than the first time they did a specific event), you can filter using the *First Seen ($mp_first_event_time) property, which represents the time of a user's very first event ever recorded in Mixpanel [Reserved Properties].
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