Sends its string parameter to the system log and always returns TRUE (1). The text appears in the syslog with the same format as any other GT.M syslog message (that is, in the user.info log with GTM-MUMPS[pid]" or "GTM-MUPIP[pid]" prefix along with instance information where appropriate). The format of the $ZSYSLOG function is:

$ZSYSLOG(expr)