Openfire ldap user search and nickname as full name automatically in Spark IM Client


I have installed openfire server in centos and configured ldap settings username as samAccountname everything is working fine. I have configured ldap username email filed instead of samAccountname as the name filled in Email field with domain password i can able to login in Spark client and able to search.

My query if i searched the name the users and add contact it automatically provide the nickname as “the name i filled in email field will add automatically” how set the settings to view users fullname in roster in spark client display.

Please help… awaiting for your kind response.