[keycloak-user] How to get user id programmatically

Hi, How can I get the user id programmatically ? I am trying to user the search API as below, however I am not getting any results although the user exist within the realm. keyCloakClient.realms().realm(realmName).users().search(user.getUserName(), user.getFirstName(), user.getLastName(), user.getEmail(), 1/*pagination offset*/, 1/*max results*/); Any advice will be appreciated. Thanks, Haim. The information contained in this message is proprietary to the sender, protected from disclosure, and may be privileged. The information is intended to be conveyed only to the designated recipient(s) of the message. If the reader of this message is not the intended recipient, you are hereby notified that any dissemination, use, distribution or copying of this communication is strictly prohibited and may be unlawful. If you have received this communication in error, please notify us immediately by replying to the message and deleting it from your computer. Thank you.