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#announcements
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# announcements
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fast-psychiatrist-23708

06/18/2023, 11:53 AM
Hello! I am trying to pipe AB test data to Mixpanel by sending a log event in the trackingCallback located in my AppDelegate (I am using Swift). The only issue is that I want this log event to only be fired when a user FIRST joins the test, not every single time a user encounters a feature in the app that triggers a test. I have tried putting an if statement: if (!experimentResult.inExperiment), but that always returns true obviously because the callback seems to only be called once the user has already been put in the test. Can someone please help me?
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most-spoon-61816

06/18/2023, 7:59 PM
Hi @fast-psychiatrist-23708 I will check tomorrow your case and back to you
Hi @fast-psychiatrist-23708 FYI: we do not have such feature to track when user first time access the experiment.
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