System Topic Commands
The following is a list of available commands that you can issue to a SYSTEM topic:
Start Session—Starts a new session using the specified profile and connect options. For additional information, refer to the Start Session example. 
Profile Name—The profile name is always required along with its associated Profile Folder. For example:
-
[Start Session(VMTCP.3270_Profiles)]
[Start Session(VMTCP.a_folder,132.206.27.2)]
[Start Session(VMTCP.a_folder2,132.206.27.2,1023)]
Topic Name—The topic name for the session that just started can be retrieved from a System Request with the item "Session Started".