HPSTREAMEDBY   A global variable used by the CI that shows the
user.account name of the person who streamed "you"
if a job, or who invoked STARTSESS if "you" are a
programmatically created session. If "you" is the
initial OPERATOR.SYS logon or a job streamed from the
SYSSTART.PUB.SYS file, the job or session ID is replaced
by the string "SYSTEM PROCESS". The initial value is
the logon identifier of the person who streamed the
job, for example, "Jobname,User.Account (#S1234)".
Type= Read-only, String