identify
Use this method for identifying user with it’s user id in your system.
If you don’t have a user id on SDK configuration, you can set it later at any time with .identify()
method. The most common cases are after registration/authorization when the user switches from being an anonymous user to an authenticated user.
Should not be called before activate
Parameters
customerUserId
User identifier in your system.
callback
An result containing the optional AdaptyError.