Unique "username" for all users

[lihua.zhang]

Hi @sazzer ,

Thank you for providing additional context about this query.

Since you prefer to have a user-editable attribute, I suggest you create an attribute (let’s say username) under the app_metadata attribute and use app_metadata.username as the unique identifier.

Here are a few FAQs that explain the app_metadata attributes.

What user data should be stored in user_metadata and app_metadata?

Question: What user data should be stored in user_metadata and app_metadata? Answer: User_metadata and app_metadata are intended to store profile information that enriches the authentication process. user_metadata stores information the user has read/write access to, and app_metadata stores information for administrative or authentication purposes. Supporting Documentation:

How can I search and filter user_metadata/app_metadata in the Management API

Problem statement Trouble searching and filtering users for the user_metadata and app_metadata in the Management API. Solution When searching for users in the Auth0 Management API, there is the option to filter them by the user_metadata or app_metadata. To do so, you can use Lucene Search Syntax in the q parameter to filter for these users. This is useful since Auth0 Management API List or Search Users endpoint is limited to 1000 results (10 pages of 100 records). This way, the results retur…

Please let me know if any further queries about this topic. Thanks!