Understanding Mixpanel's $created User Profile Property
what is the Mixpanel $created user profile property supposed to represent?
what is the Mixpanel $created user profile property supposed to represent?
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The Mixpanel $created user profile property represents the time that the user profile was created. It is a reserved property used for system features, but it is important to note that this property is not auto-populated by Mixpanel—you must set it yourself if you want to track when a profile was created Reserved Properties: Properties used for system features.
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The knowledge sources state that the $created property is meant to represent "the time that the profile was created," but they do not explicitly specify whether this should be the time of profile creation for all users (including guests/anonymous users) or specifically the sign-up date for registered users. The property is not auto-populated and must be set manually, so its meaning depends on how you choose to implement it in your tracking strategy Reserved Properties: Properties used for system features.
If you want $created to represent the sign-up date, you should set it at the moment of user registration. If you want it to represent the creation of any profile (including guests), you would set it when the profile is first created, regardless of authentication status. The documentation does not prescribe a specific approach, so you should align its use with your analytics goals and document your implementation accordingly.
I'm sorry, but the knowledge sources do not provide a definitive answer on whether $created is meant exclusively for sign-up date or for any profile creation (including guests).
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