Type: String[255]
The domain property of the JadeTcpIpProxy class contains the name that identifies the secure proxy server controller through which a connection is made to the host server. Set this property if you require authentication to connect through a Windows secure proxy server to the host (for example, mydomain).
If your Windows proxy server controller requires authentication, the userName property can contain both the domain name and user name, separated by a backslash character (for example, mydomain\myloginname).