An identifier token that is used to link an anonymous user to an existing Braze user profile. If the user is
anonymous, calling this method with a new identifier token will start a new session upon calling openSession. If
the user is not anonymous, this method is a no-op.
Sets the identifier token.
An identifier token that is used to link an anonymous user to an existing Braze user profile. If the user is anonymous, calling this method with a new identifier token will start a new session upon calling
openSession. If the user is not anonymous, this method is a no-op.