Hey there,

I was wondering if there was an existing mechanism to fetch users that have some specific client roles.

My scenario is this one. As a SSO provider, different applications (clients) are created in Keycloak. 

A specific user can have roles for some of those clients.

If, in one of my application, I want to list all the users that ‘belongs’ to me (that have roles for my application) how do I do that ?

I don’t want to list all the users and they filter them by some criteria, that would be a very inefficient way to do it. (CPU + Bandwidth)

In the search REST admin endpoint, is there a mechanism to filter on specific custom attributes ?

for example. I created a language attribute for a user. I now want to list all my users with custom attribute language=FR for example, how do I do that ?

Syntax could be : 

/search?attribute1=language&value1=FR or

/search?attribute_language=FR

Thank for your time and great work.

Sorry if those questions have already been asked (if so, please,  simply point me to some reference without repeating yourself)

Cheers !

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