The session-config Element
From Documentation
The allowed child elements include session-timeout and max-desktops-per-session. You might have multiple session-config elements in one zk.xml.
<session-config>
<session-timeout>1800</session-timeout>
<timer-keep-alive>false</timer-keep-alive>
<max-desktops-per-session>15</max-desktops-per-session>
<max-requests-per-session>5</max-requests-per-session>
<max-pushes-per-session>3</max-pushes-per-session>
</session-config>