how to add a new users in csp ?

how can i add users in cps config,

i am running cps 0.9.0r31 and this is mijn config:

<user-manager class="com.bowman.cardserv.SimpleUserManager">
<auth-config>
<user name="admin" password="secret" max-connections="3" admin="true"/>
<user name="user1" password="secret1" profiles="myprofile"/>
<user name="linuxsat" password="linuxsat"/>
</auth-config>
</user-manager>

i have an user linuxsat,but i want to add a new user .
thanks