Calculating Session Duration for Triggered Events

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To calculate the session duration of sessions where a particular event was triggered, you can use Mixpanel's session tracking capabilities and the reserved event properties.Mixpanel automatically tracks session duration using the $duration_s property, which represents "the duration between Session Start and Session End events in seconds" Reserved Properties.Here's how you can analyze session durations for sessions containing a specific event: 1. Use Session End events: Since the duration is calculated at the end of a session, you'll want to analyze the "Session End" event.2. Filter for sessions containing your event: In your analysis, filter the Session End events to only include sessions where your specific event occurred.3. Analyze the duration property: Once filtered, you can analyze the $duration_s property to understand the duration of these sessions.You can implement this in Mixpanel's Insights report: 1. Select "Session End" as your event 2. Add a filter for sessions where your specific event occurred 3. Analyze the $duration_s propertyMixpanel also provides other session-related properties that might be useful: - $event_count: The number of events during a session - $origin_start: The original event name that triggered Session Start - $origin_end: The original event name that triggered Session EndThese properties can help you gain deeper insights into the sessions where your specific event occurred How Sessions Work.For more advanced session analysis, you can use Mixpanel's Session Metric Analysis feature in the Query Builder, which allows you to select "Session Start" or "Session End" from the events list for detailed session metrics Query Builder Features.

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To filter for sessions where a specific event occurred in Mixpanel, you'll need to use the inline filtering feature. Here's how to do it step by step: 1. Start by creating an Insights report and select "Session End" as your event (since this contains the duration information)2. Click on the inline action menu (usually three dots or a filter icon next to your event) and select "Add filter" from the dropdown menu3. In the filter options, look for "Session Event Count" (the property $event_count) or use the search functionality to find your specific event4. Set up your filter to identify sessions where your specific event occurred. You can do this in two ways: - Filter for sessions where a specific event name appears in the session - Or use a more complex filter if you need to be more specific about the event propertiesThis approach uses Mixpanel's inline filtering capabilities as described in the Query Builder Features documentation.For more advanced filtering, you can also use multiple filters and specify whether your query should match any or all of the filters by clicking on the "and/or" option beside the filters.Once you've set up your filter correctly, your report will show only the Session End events (with their durations) for sessions where your specific event occurred.

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I'll provide detailed steps to calculate the duration of sessions where the "page.view.action" event is triggered in Mixpanel.

- Go to your Mixpanel project dashboard - Click on "Insights" in the left navigation menu - Click "New" to create a new report

- Select "Session End" as your event (this event contains the session duration data) - For the measurement, select "Average" or another aggregation method that suits your needs - Select the property "$duration_s" (Session Duration in Seconds)

- Click the "Filter" button in your report - In the filter menu, select "Behavioral Properties" or search for "Session" - Choose "Session Event Count" as your property - Set the condition to filter for sessions where "page.view.action" occurred at least once - You can specify "page.view.action > 0" to include all sessions where this event happened at least once

- Select an appropriate time range for your analysis (last 30 days, last week, etc.)

- Choose an appropriate visualization (bar chart, line chart, etc.) - You can also break down the results by other properties if needed

- The report will now show the average (or your chosen aggregation) session duration for sessions where the "page.view.action" event was triggered - You can hover over data points to see exact values

If you want more detailed analysis: - You can create segments by adding breakdowns (e.g., by user properties, device type) - You can compare different time periods by using the comparison feature - You can save this report to a board for future referenceThis approach leverages Mixpanel's session tracking capabilities and the reserved "$duration_s" property that represents the duration between Session Start and Session End events in seconds, as documented in Reserved Properties.For more advanced session analysis, you can also explore Mixpanel's Session Metric Analysis feature in the Query Builder as mentioned in the Query Builder Features documentation.

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I understand you're having trouble with filtering for sessions where the "page.view.action" event occurred. Let me provide a more accurate approach to filter for sessions containing a specific event.When filtering for sessions containing a specific event, you need to use Behavioral Properties rather than directly filtering for the event count. Here's the correct approach: 1. In your Insights report with "Session End" as your event, click the "Filter" button2. In the filter menu, select "Create Custom..." and then choose "Behavioral Property"3. Select "Frequency per User" as the type of behavioral property4. Choose your specific event "page.view.action" from the event dropdown5. Set the condition to "greater than 0" to capture sessions where this event occurred at least once6. Make sure the time range is set to "Per Interval" (which is the default in Insights)This approach uses Mixpanel's Behavioral Properties feature as described in the Behavioral Properties documentation, which allows you to filter based on user activity.If you're still not seeing changes in your data, please check: - That the event name is spelled exactly as it appears in your project (event names are case-sensitive) - That the event has been tracked within the time range you've selected - That you've applied the filter correctly by clicking "Apply" after setting it upLet me know if this approach works better for your analysis.

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I understand you're not seeing the Behavioral Property option in Mixpanel. Let me provide an alternative approach to filter for sessions containing your "page.view.action" event.Here's another method you can try: 1. In your Insights report with "Session End" as your event, click the "Filter" button2. Look for a property called "session_events" property, you can try another approach: 1. Create a cohort of users who performed the "page.view.action" event during your time period of interest - Go to Cohorts > Create New Cohort - Define the cohort as users who did "page.view.action" at least once - Save the cohort with a descriptive name2. Then in your Insights report: - Select "Session End" as your event - Add a filter for "Cohort" and select the cohort you just createdThe availability of certain features like Behavioral Properties might depend on your Mixpanel plan or project configuration. If you're still having trouble, I'd recommend reaching out to Mixpanel support as they can provide guidance specific to your account setup and implementation.Let me know if either of these alternative approaches works for your analysis.

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