Specifies the name of an XRC session. This can be any name acceptable
to TSO that matches the name of a session that was previously specified
on the XSTART command. The maximum length of the name is eight characters.
Do not include embedded blanks. TSO ignores leading blanks and trailing
blanks.
Note: When the PARMLIB parameter is
specified on the XSET command, the name of a cluster can be specified
as the session name . For all other parameters, you cannot specify
a cluster name as the session name.