Identify a User


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Each time a page loads for a user you can identify, you'll want to call the FS.identify function to associate your own application-specific id with the active user.


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FullStory doesn't let you change the identity of a user once they have been assigned a unique user ID using FS.identify. If you attempt to change the user id of an identified user, FullStory will recognize the new user ID and automatically split the session into a new session.


  • Sustained calls are limited to 12 calls per minute, with a burst limit of 5 calls per second.

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