Hi, I would like to know whether there is any parameter other than user ID that can be used to identify a user uniquely in case the User ID changes.
Best answer by Saish Redkar
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Userlevel 7
+10
Hi
Here’s an article which talks in detail about how Amplitude tracks unique users.
In a nutshell, User IDs cannot be merged. If you create a new user ID for an existing user, Amplitude will only recognize them as different unique users.
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