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GrowthBook Users

Hello, I have a questions:
1. Do we need just send data to our data lake from `Tracking callback when users are put into an experiment`?
2. How many times that callback is called, only once or each time when user is evaluated to be inside specific variant of A/B test?
Thanks!

Hi Yevhen - You will need to track exposure events in order to use the AB testing results side of GrowthBook

2. The tracking callback is fired every time a user is given an experiment. We de-duplicate these events in our queries, but if this is a problem, you can also add some logic to the trackingCallback() call

<@U01T6HCHD0A> thanks, it's clear now:+1: